Home / 25,250.13-34,908.17-18,951.57

Finding the Fourth Proportional to 25,250.13, 34,908.17 and 18,951.57

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Solution

The fourth proportional to 25,250.13, 34,908.17 and 18,951.57 is: 26,200.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.13 : 34,908.17 = 18,951.57 : x
  2. Step 2: Convert to fraction form
    25,250.13/34,908.17 = 18,951.57/x
  3. Step 3: Cross multiply
    25,250.13x = 34,908.17 × 18,951.57
  4. Step 4: Simplify right side
    25,250.13x = 661,564,532.57
  5. Step 5: Solve for x
    x = 661,564,532.57/25,250.13
  6. Step 6: Final answer
    x = 26,200.44

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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.