Home / 26,660.39-36,787.11-15,327.68

Finding the Fourth Proportional to 26,660.39, 36,787.11 and 15,327.68

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Solution

The fourth proportional to 26,660.39, 36,787.11 and 15,327.68 is: 21,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.39 : 36,787.11 = 15,327.68 : x
  2. Step 2: Convert to fraction form
    26,660.39/36,787.11 = 15,327.68/x
  3. Step 3: Cross multiply
    26,660.39x = 36,787.11 × 15,327.68
  4. Step 4: Simplify right side
    26,660.39x = 563,861,050.20
  5. Step 5: Solve for x
    x = 563,861,050.20/26,660.39
  6. Step 6: Final answer
    x = 21,149.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.