Home / 38,542.20-57,774.90-17,729.40

Finding the Fourth Proportional to 38,542.20, 57,774.90 and 17,729.40

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Solution

The fourth proportional to 38,542.20, 57,774.90 and 17,729.40 is: 26,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.20 : 57,774.90 = 17,729.40 : x
  2. Step 2: Convert to fraction form
    38,542.20/57,774.90 = 17,729.40/x
  3. Step 3: Cross multiply
    38,542.20x = 57,774.90 × 17,729.40
  4. Step 4: Simplify right side
    38,542.20x = 1,024,314,312.06
  5. Step 5: Solve for x
    x = 1,024,314,312.06/38,542.20
  6. Step 6: Final answer
    x = 26,576.44

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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.