Home / 38,581.28-57,872.06-13,607.76

Finding the Fourth Proportional to 38,581.28, 57,872.06 and 13,607.76

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Solution

The fourth proportional to 38,581.28, 57,872.06 and 13,607.76 is: 20,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,581.28 : 57,872.06 = 13,607.76 : x
  2. Step 2: Convert to fraction form
    38,581.28/57,872.06 = 13,607.76/x
  3. Step 3: Cross multiply
    38,581.28x = 57,872.06 × 13,607.76
  4. Step 4: Simplify right side
    38,581.28x = 787,509,103.19
  5. Step 5: Solve for x
    x = 787,509,103.19/38,581.28
  6. Step 6: Final answer
    x = 20,411.69

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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.