Home / 38,643.20-57,938.88-15,257.60

Finding the Fourth Proportional to 38,643.20, 57,938.88 and 15,257.60

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Solution

The fourth proportional to 38,643.20, 57,938.88 and 15,257.60 is: 22,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,643.20 : 57,938.88 = 15,257.60 : x
  2. Step 2: Convert to fraction form
    38,643.20/57,938.88 = 15,257.60/x
  3. Step 3: Cross multiply
    38,643.20x = 57,938.88 × 15,257.60
  4. Step 4: Simplify right side
    38,643.20x = 884,008,255.49
  5. Step 5: Solve for x
    x = 884,008,255.49/38,643.20
  6. Step 6: Final answer
    x = 22,876.17

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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.