Home / 25,438.96-38,160.92-10,652.48

Finding the Fourth Proportional to 25,438.96, 38,160.92 and 10,652.48

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Solution

The fourth proportional to 25,438.96, 38,160.92 and 10,652.48 is: 15,979.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.96 : 38,160.92 = 10,652.48 : x
  2. Step 2: Convert to fraction form
    25,438.96/38,160.92 = 10,652.48/x
  3. Step 3: Cross multiply
    25,438.96x = 38,160.92 × 10,652.48
  4. Step 4: Simplify right side
    25,438.96x = 406,508,437.08
  5. Step 5: Solve for x
    x = 406,508,437.08/25,438.96
  6. Step 6: Final answer
    x = 15,979.76

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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.