Home / 28,321.32-39,080.17-22,654.02

Finding the Fourth Proportional to 28,321.32, 39,080.17 and 22,654.02

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Solution

The fourth proportional to 28,321.32, 39,080.17 and 22,654.02 is: 31,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.32 : 39,080.17 = 22,654.02 : x
  2. Step 2: Convert to fraction form
    28,321.32/39,080.17 = 22,654.02/x
  3. Step 3: Cross multiply
    28,321.32x = 39,080.17 × 22,654.02
  4. Step 4: Simplify right side
    28,321.32x = 885,322,952.78
  5. Step 5: Solve for x
    x = 885,322,952.78/28,321.32
  6. Step 6: Final answer
    x = 31,259.95

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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.