Home / 38,529.78-57,798.36-15,150.78

Finding the Fourth Proportional to 38,529.78, 57,798.36 and 15,150.78

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Solution

The fourth proportional to 38,529.78, 57,798.36 and 15,150.78 is: 22,727.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,529.78 : 57,798.36 = 15,150.78 : x
  2. Step 2: Convert to fraction form
    38,529.78/57,798.36 = 15,150.78/x
  3. Step 3: Cross multiply
    38,529.78x = 57,798.36 × 15,150.78
  4. Step 4: Simplify right side
    38,529.78x = 875,690,236.72
  5. Step 5: Solve for x
    x = 875,690,236.72/38,529.78
  6. Step 6: Final answer
    x = 22,727.62

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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.