Home / 28,306.18-39,062.82-15,560.02

Finding the Fourth Proportional to 28,306.18, 39,062.82 and 15,560.02

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Solution

The fourth proportional to 28,306.18, 39,062.82 and 15,560.02 is: 21,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.18 : 39,062.82 = 15,560.02 : x
  2. Step 2: Convert to fraction form
    28,306.18/39,062.82 = 15,560.02/x
  3. Step 3: Cross multiply
    28,306.18x = 39,062.82 × 15,560.02
  4. Step 4: Simplify right side
    28,306.18x = 607,818,260.46
  5. Step 5: Solve for x
    x = 607,818,260.46/28,306.18
  6. Step 6: Final answer
    x = 21,472.99

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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.