Home / 38,981.60-53,759.28-25,548

Finding the Fourth Proportional to 38,981.60, 53,759.28 and 25,548

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Solution

The fourth proportional to 38,981.60, 53,759.28 and 25,548 is: 35,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.60 : 53,759.28 = 25,548 : x
  2. Step 2: Convert to fraction form
    38,981.60/53,759.28 = 25,548/x
  3. Step 3: Cross multiply
    38,981.60x = 53,759.28 × 25,548
  4. Step 4: Simplify right side
    38,981.60x = 1,373,442,085.44
  5. Step 5: Solve for x
    x = 1,373,442,085.44/38,981.60
  6. Step 6: Final answer
    x = 35,233.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.