Home / 25,916.42-38,864.17-10,119.20

Finding the Fourth Proportional to 25,916.42, 38,864.17 and 10,119.20

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Solution

The fourth proportional to 25,916.42, 38,864.17 and 10,119.20 is: 15,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,916.42 : 38,864.17 = 10,119.20 : x
  2. Step 2: Convert to fraction form
    25,916.42/38,864.17 = 10,119.20/x
  3. Step 3: Cross multiply
    25,916.42x = 38,864.17 × 10,119.20
  4. Step 4: Simplify right side
    25,916.42x = 393,274,127.39
  5. Step 5: Solve for x
    x = 393,274,127.39/25,916.42
  6. Step 6: Final answer
    x = 15,174.71

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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.