Home / 28,024.80-38,676.14-17,127.62

Finding the Fourth Proportional to 28,024.80, 38,676.14 and 17,127.62

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Solution

The fourth proportional to 28,024.80, 38,676.14 and 17,127.62 is: 23,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.80 : 38,676.14 = 17,127.62 : x
  2. Step 2: Convert to fraction form
    28,024.80/38,676.14 = 17,127.62/x
  3. Step 3: Cross multiply
    28,024.80x = 38,676.14 × 17,127.62
  4. Step 4: Simplify right side
    28,024.80x = 662,430,159.23
  5. Step 5: Solve for x
    x = 662,430,159.23/28,024.80
  6. Step 6: Final answer
    x = 23,637.29

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Half scale
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Double scale
Find fourth proportional to 28,025.80, 38,677.52 and 17,128.62
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.