Home / 28,722.47-43,083.23-9,001.13

Finding the Fourth Proportional to 28,722.47, 43,083.23 and 9,001.13

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Solution

The fourth proportional to 28,722.47, 43,083.23 and 9,001.13 is: 13,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.47 : 43,083.23 = 9,001.13 : x
  2. Step 2: Convert to fraction form
    28,722.47/43,083.23 = 9,001.13/x
  3. Step 3: Cross multiply
    28,722.47x = 43,083.23 × 9,001.13
  4. Step 4: Simplify right side
    28,722.47x = 387,797,493.63
  5. Step 5: Solve for x
    x = 387,797,493.63/28,722.47
  6. Step 6: Final answer
    x = 13,501.54

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Half scale
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Double scale
Find fourth proportional to 28,723.47, 43,084.72 and 9,002.13
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.