Home / 23,689.08-32,691.45-13,079.40

Finding the Fourth Proportional to 23,689.08, 32,691.45 and 13,079.40

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Solution

The fourth proportional to 23,689.08, 32,691.45 and 13,079.40 is: 18,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.08 : 32,691.45 = 13,079.40 : x
  2. Step 2: Convert to fraction form
    23,689.08/32,691.45 = 13,079.40/x
  3. Step 3: Cross multiply
    23,689.08x = 32,691.45 × 13,079.40
  4. Step 4: Simplify right side
    23,689.08x = 427,584,551.13
  5. Step 5: Solve for x
    x = 427,584,551.13/23,689.08
  6. Step 6: Final answer
    x = 18,049.86

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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.