Home / 25,126.86-34,691.29-15,576.95

Finding the Fourth Proportional to 25,126.86, 34,691.29 and 15,576.95

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Solution

The fourth proportional to 25,126.86, 34,691.29 and 15,576.95 is: 21,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,126.86 : 34,691.29 = 15,576.95 : x
  2. Step 2: Convert to fraction form
    25,126.86/34,691.29 = 15,576.95/x
  3. Step 3: Cross multiply
    25,126.86x = 34,691.29 × 15,576.95
  4. Step 4: Simplify right side
    25,126.86x = 540,384,489.77
  5. Step 5: Solve for x
    x = 540,384,489.77/25,126.86
  6. Step 6: Final answer
    x = 21,506.25

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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.