Home / 25,391.20-35,007.24-16,422.88

Finding the Fourth Proportional to 25,391.20, 35,007.24 and 16,422.88

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Solution

The fourth proportional to 25,391.20, 35,007.24 and 16,422.88 is: 22,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,391.20 : 35,007.24 = 16,422.88 : x
  2. Step 2: Convert to fraction form
    25,391.20/35,007.24 = 16,422.88/x
  3. Step 3: Cross multiply
    25,391.20x = 35,007.24 × 16,422.88
  4. Step 4: Simplify right side
    25,391.20x = 574,919,701.65
  5. Step 5: Solve for x
    x = 574,919,701.65/25,391.20
  6. Step 6: Final answer
    x = 22,642.48

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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.