Home / 57,127.92-85,695.50-17,681.72

Finding the Fourth Proportional to 57,127.92, 85,695.50 and 17,681.72

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Solution

The fourth proportional to 57,127.92, 85,695.50 and 17,681.72 is: 26,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.92 : 85,695.50 = 17,681.72 : x
  2. Step 2: Convert to fraction form
    57,127.92/85,695.50 = 17,681.72/x
  3. Step 3: Cross multiply
    57,127.92x = 85,695.50 × 17,681.72
  4. Step 4: Simplify right side
    57,127.92x = 1,515,243,836.26
  5. Step 5: Solve for x
    x = 1,515,243,836.26/57,127.92
  6. Step 6: Final answer
    x = 26,523.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.