Home / 25,451.30-35,085.66-17,874.92

Finding the Fourth Proportional to 25,451.30, 35,085.66 and 17,874.92

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Solution

The fourth proportional to 25,451.30, 35,085.66 and 17,874.92 is: 24,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.30 : 35,085.66 = 17,874.92 : x
  2. Step 2: Convert to fraction form
    25,451.30/35,085.66 = 17,874.92/x
  3. Step 3: Cross multiply
    25,451.30x = 35,085.66 × 17,874.92
  4. Step 4: Simplify right side
    25,451.30x = 627,153,365.65
  5. Step 5: Solve for x
    x = 627,153,365.65/25,451.30
  6. Step 6: Final answer
    x = 24,641.31

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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.