Home / 26,086.28-39,128.76-14,251.55

Finding the Fourth Proportional to 26,086.28, 39,128.76 and 14,251.55

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Solution

The fourth proportional to 26,086.28, 39,128.76 and 14,251.55 is: 21,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.28 : 39,128.76 = 14,251.55 : x
  2. Step 2: Convert to fraction form
    26,086.28/39,128.76 = 14,251.55/x
  3. Step 3: Cross multiply
    26,086.28x = 39,128.76 × 14,251.55
  4. Step 4: Simplify right side
    26,086.28x = 557,645,283.93
  5. Step 5: Solve for x
    x = 557,645,283.93/26,086.28
  6. Step 6: Final answer
    x = 21,376.96

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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.