Home / 25,689.78-35,454.33-16,131.24

Finding the Fourth Proportional to 25,689.78, 35,454.33 and 16,131.24

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Solution

The fourth proportional to 25,689.78, 35,454.33 and 16,131.24 is: 22,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.78 : 35,454.33 = 16,131.24 : x
  2. Step 2: Convert to fraction form
    25,689.78/35,454.33 = 16,131.24/x
  3. Step 3: Cross multiply
    25,689.78x = 35,454.33 × 16,131.24
  4. Step 4: Simplify right side
    25,689.78x = 571,922,306.27
  5. Step 5: Solve for x
    x = 571,922,306.27/25,689.78
  6. Step 6: Final answer
    x = 22,262.64

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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.