Home / 28,695.12-39,598.47-15,947.97

Finding the Fourth Proportional to 28,695.12, 39,598.47 and 15,947.97

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Solution

The fourth proportional to 28,695.12, 39,598.47 and 15,947.97 is: 22,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.12 : 39,598.47 = 15,947.97 : x
  2. Step 2: Convert to fraction form
    28,695.12/39,598.47 = 15,947.97/x
  3. Step 3: Cross multiply
    28,695.12x = 39,598.47 × 15,947.97
  4. Step 4: Simplify right side
    28,695.12x = 631,515,211.61
  5. Step 5: Solve for x
    x = 631,515,211.61/28,695.12
  6. Step 6: Final answer
    x = 22,007.76

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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.