Home / 26,725.71-40,089.65-11,931.87

Finding the Fourth Proportional to 26,725.71, 40,089.65 and 11,931.87

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Solution

The fourth proportional to 26,725.71, 40,089.65 and 11,931.87 is: 17,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,725.71 : 40,089.65 = 11,931.87 : x
  2. Step 2: Convert to fraction form
    26,725.71/40,089.65 = 11,931.87/x
  3. Step 3: Cross multiply
    26,725.71x = 40,089.65 × 11,931.87
  4. Step 4: Simplify right side
    26,725.71x = 478,344,432.49
  5. Step 5: Solve for x
    x = 478,344,432.49/26,725.71
  6. Step 6: Final answer
    x = 17,898.29

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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.