Home / 28,422.74-39,200.25-25,012.38

Finding the Fourth Proportional to 28,422.74, 39,200.25 and 25,012.38

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Solution

The fourth proportional to 28,422.74, 39,200.25 and 25,012.38 is: 34,496.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,422.74 : 39,200.25 = 25,012.38 : x
  2. Step 2: Convert to fraction form
    28,422.74/39,200.25 = 25,012.38/x
  3. Step 3: Cross multiply
    28,422.74x = 39,200.25 × 25,012.38
  4. Step 4: Simplify right side
    28,422.74x = 980,491,549.10
  5. Step 5: Solve for x
    x = 980,491,549.10/28,422.74
  6. Step 6: Final answer
    x = 34,496.73

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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.