Home / 26,691.12-40,060.91-14,221.78

Finding the Fourth Proportional to 26,691.12, 40,060.91 and 14,221.78

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Solution

The fourth proportional to 26,691.12, 40,060.91 and 14,221.78 is: 21,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,691.12 : 40,060.91 = 14,221.78 : x
  2. Step 2: Convert to fraction form
    26,691.12/40,060.91 = 14,221.78/x
  3. Step 3: Cross multiply
    26,691.12x = 40,060.91 × 14,221.78
  4. Step 4: Simplify right side
    26,691.12x = 569,737,384.02
  5. Step 5: Solve for x
    x = 569,737,384.02/26,691.12
  6. Step 6: Final answer
    x = 21,345.58

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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.