Home / 25,613.63-35,352.45-16,645.55

Finding the Fourth Proportional to 25,613.63, 35,352.45 and 16,645.55

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Solution

The fourth proportional to 25,613.63, 35,352.45 and 16,645.55 is: 22,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,613.63 : 35,352.45 = 16,645.55 : x
  2. Step 2: Convert to fraction form
    25,613.63/35,352.45 = 16,645.55/x
  3. Step 3: Cross multiply
    25,613.63x = 35,352.45 × 16,645.55
  4. Step 4: Simplify right side
    25,613.63x = 588,460,974.10
  5. Step 5: Solve for x
    x = 588,460,974.10/25,613.63
  6. Step 6: Final answer
    x = 22,974.52

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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.