Home / 38,112.14-57,140.52-15,931.85

Finding the Fourth Proportional to 38,112.14, 57,140.52 and 15,931.85

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Solution

The fourth proportional to 38,112.14, 57,140.52 and 15,931.85 is: 23,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.14 : 57,140.52 = 15,931.85 : x
  2. Step 2: Convert to fraction form
    38,112.14/57,140.52 = 15,931.85/x
  3. Step 3: Cross multiply
    38,112.14x = 57,140.52 × 15,931.85
  4. Step 4: Simplify right side
    38,112.14x = 910,354,193.56
  5. Step 5: Solve for x
    x = 910,354,193.56/38,112.14
  6. Step 6: Final answer
    x = 23,886.20

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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.