Home / 28,553.25-39,385.20-22,901.56

Finding the Fourth Proportional to 28,553.25, 39,385.20 and 22,901.56

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Solution

The fourth proportional to 28,553.25, 39,385.20 and 22,901.56 is: 31,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553.25 : 39,385.20 = 22,901.56 : x
  2. Step 2: Convert to fraction form
    28,553.25/39,385.20 = 22,901.56/x
  3. Step 3: Cross multiply
    28,553.25x = 39,385.20 × 22,901.56
  4. Step 4: Simplify right side
    28,553.25x = 901,982,619.10
  5. Step 5: Solve for x
    x = 901,982,619.10/28,553.25
  6. Step 6: Final answer
    x = 31,589.49

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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.