Home / 25,147.71-34,706.85-15,081.68

Finding the Fourth Proportional to 25,147.71, 34,706.85 and 15,081.68

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Solution

The fourth proportional to 25,147.71, 34,706.85 and 15,081.68 is: 20,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.71 : 34,706.85 = 15,081.68 : x
  2. Step 2: Convert to fraction form
    25,147.71/34,706.85 = 15,081.68/x
  3. Step 3: Cross multiply
    25,147.71x = 34,706.85 × 15,081.68
  4. Step 4: Simplify right side
    25,147.71x = 523,437,692.28
  5. Step 5: Solve for x
    x = 523,437,692.28/25,147.71
  6. Step 6: Final answer
    x = 20,814.53

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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.