Home / 28,820.48-43,179.52-19,553.28

Finding the Fourth Proportional to 28,820.48, 43,179.52 and 19,553.28

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Solution

The fourth proportional to 28,820.48, 43,179.52 and 19,553.28 is: 29,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,820.48 : 43,179.52 = 19,553.28 : x
  2. Step 2: Convert to fraction form
    28,820.48/43,179.52 = 19,553.28/x
  3. Step 3: Cross multiply
    28,820.48x = 43,179.52 × 19,553.28
  4. Step 4: Simplify right side
    28,820.48x = 844,301,244.83
  5. Step 5: Solve for x
    x = 844,301,244.83/28,820.48
  6. Step 6: Final answer
    x = 29,295.18

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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.