Home / 25,769.28-38,658.78-10,187.04

Finding the Fourth Proportional to 25,769.28, 38,658.78 and 10,187.04

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Solution

The fourth proportional to 25,769.28, 38,658.78 and 10,187.04 is: 15,282.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.28 : 38,658.78 = 10,187.04 : x
  2. Step 2: Convert to fraction form
    25,769.28/38,658.78 = 10,187.04/x
  3. Step 3: Cross multiply
    25,769.28x = 38,658.78 × 10,187.04
  4. Step 4: Simplify right side
    25,769.28x = 393,818,538.21
  5. Step 5: Solve for x
    x = 393,818,538.21/25,769.28
  6. Step 6: Final answer
    x = 15,282.48

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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.