Home / 38,464.92-57,721.68-15,090.84

Finding the Fourth Proportional to 38,464.92, 57,721.68 and 15,090.84

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Solution

The fourth proportional to 38,464.92, 57,721.68 and 15,090.84 is: 22,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464.92 : 57,721.68 = 15,090.84 : x
  2. Step 2: Convert to fraction form
    38,464.92/57,721.68 = 15,090.84/x
  3. Step 3: Cross multiply
    38,464.92x = 57,721.68 × 15,090.84
  4. Step 4: Simplify right side
    38,464.92x = 871,068,637.41
  5. Step 5: Solve for x
    x = 871,068,637.41/38,464.92
  6. Step 6: Final answer
    x = 22,645.79

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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.