Home / 25,682.97-35,446.56-15,614.55

Finding the Fourth Proportional to 25,682.97, 35,446.56 and 15,614.55

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Solution

The fourth proportional to 25,682.97, 35,446.56 and 15,614.55 is: 21,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,682.97 : 35,446.56 = 15,614.55 : x
  2. Step 2: Convert to fraction form
    25,682.97/35,446.56 = 15,614.55/x
  3. Step 3: Cross multiply
    25,682.97x = 35,446.56 × 15,614.55
  4. Step 4: Simplify right side
    25,682.97x = 553,482,083.45
  5. Step 5: Solve for x
    x = 553,482,083.45/25,682.97
  6. Step 6: Final answer
    x = 21,550.55

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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.