Home / 25,452.61-38,139.94-10,653.47

Finding the Fourth Proportional to 25,452.61, 38,139.94 and 10,653.47

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Solution

The fourth proportional to 25,452.61, 38,139.94 and 10,653.47 is: 15,963.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452.61 : 38,139.94 = 10,653.47 : x
  2. Step 2: Convert to fraction form
    25,452.61/38,139.94 = 10,653.47/x
  3. Step 3: Cross multiply
    25,452.61x = 38,139.94 × 10,653.47
  4. Step 4: Simplify right side
    25,452.61x = 406,322,489.26
  5. Step 5: Solve for x
    x = 406,322,489.26/25,452.61
  6. Step 6: Final answer
    x = 15,963.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.