Home / 38,818.40-58,128.60-25,630.52

Finding the Fourth Proportional to 38,818.40, 58,128.60 and 25,630.52

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Solution

The fourth proportional to 38,818.40, 58,128.60 and 25,630.52 is: 38,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.40 : 58,128.60 = 25,630.52 : x
  2. Step 2: Convert to fraction form
    38,818.40/58,128.60 = 25,630.52/x
  3. Step 3: Cross multiply
    38,818.40x = 58,128.60 × 25,630.52
  4. Step 4: Simplify right side
    38,818.40x = 1,489,866,244.87
  5. Step 5: Solve for x
    x = 1,489,866,244.87/38,818.40
  6. Step 6: Final answer
    x = 38,380.41

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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.