Home / 25,352.39-34,974.66-16,402.78

Finding the Fourth Proportional to 25,352.39, 34,974.66 and 16,402.78

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Solution

The fourth proportional to 25,352.39, 34,974.66 and 16,402.78 is: 22,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.39 : 34,974.66 = 16,402.78 : x
  2. Step 2: Convert to fraction form
    25,352.39/34,974.66 = 16,402.78/x
  3. Step 3: Cross multiply
    25,352.39x = 34,974.66 × 16,402.78
  4. Step 4: Simplify right side
    25,352.39x = 573,681,653.55
  5. Step 5: Solve for x
    x = 573,681,653.55/25,352.39
  6. Step 6: Final answer
    x = 22,628.31

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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.