Home / 38,244.40-57,381.78-17,178.72

Finding the Fourth Proportional to 38,244.40, 57,381.78 and 17,178.72

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Solution

The fourth proportional to 38,244.40, 57,381.78 and 17,178.72 is: 25,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,244.40 : 57,381.78 = 17,178.72 : x
  2. Step 2: Convert to fraction form
    38,244.40/57,381.78 = 17,178.72/x
  3. Step 3: Cross multiply
    38,244.40x = 57,381.78 × 17,178.72
  4. Step 4: Simplify right side
    38,244.40x = 985,745,531.72
  5. Step 5: Solve for x
    x = 985,745,531.72/38,244.40
  6. Step 6: Final answer
    x = 25,774.90

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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.