Home / 38,559.28-57,838.12-12,264.08

Finding the Fourth Proportional to 38,559.28, 57,838.12 and 12,264.08

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Solution

The fourth proportional to 38,559.28, 57,838.12 and 12,264.08 is: 18,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,559.28 : 57,838.12 = 12,264.08 : x
  2. Step 2: Convert to fraction form
    38,559.28/57,838.12 = 12,264.08/x
  3. Step 3: Cross multiply
    38,559.28x = 57,838.12 × 12,264.08
  4. Step 4: Simplify right side
    38,559.28x = 709,331,330.73
  5. Step 5: Solve for x
    x = 709,331,330.73/38,559.28
  6. Step 6: Final answer
    x = 18,395.87

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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.