Home / 25,278.78-34,884.92-13,948.68

Finding the Fourth Proportional to 25,278.78, 34,884.92 and 13,948.68

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Solution

The fourth proportional to 25,278.78, 34,884.92 and 13,948.68 is: 19,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.78 : 34,884.92 = 13,948.68 : x
  2. Step 2: Convert to fraction form
    25,278.78/34,884.92 = 13,948.68/x
  3. Step 3: Cross multiply
    25,278.78x = 34,884.92 × 13,948.68
  4. Step 4: Simplify right side
    25,278.78x = 486,598,516.16
  5. Step 5: Solve for x
    x = 486,598,516.16/25,278.78
  6. Step 6: Final answer
    x = 19,249.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.