Home / 26,871.66-40,329.05-15,787.71

Finding the Fourth Proportional to 26,871.66, 40,329.05 and 15,787.71

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Solution

The fourth proportional to 26,871.66, 40,329.05 and 15,787.71 is: 23,694.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.66 : 40,329.05 = 15,787.71 : x
  2. Step 2: Convert to fraction form
    26,871.66/40,329.05 = 15,787.71/x
  3. Step 3: Cross multiply
    26,871.66x = 40,329.05 × 15,787.71
  4. Step 4: Simplify right side
    26,871.66x = 636,703,267.04
  5. Step 5: Solve for x
    x = 636,703,267.04/26,871.66
  6. Step 6: Final answer
    x = 23,694.23

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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.