Home / 25,559.34-35,273.50-15,488.66

Finding the Fourth Proportional to 25,559.34, 35,273.50 and 15,488.66

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Solution

The fourth proportional to 25,559.34, 35,273.50 and 15,488.66 is: 21,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,559.34 : 35,273.50 = 15,488.66 : x
  2. Step 2: Convert to fraction form
    25,559.34/35,273.50 = 15,488.66/x
  3. Step 3: Cross multiply
    25,559.34x = 35,273.50 × 15,488.66
  4. Step 4: Simplify right side
    25,559.34x = 546,339,297.97
  5. Step 5: Solve for x
    x = 546,339,297.97/25,559.34
  6. Step 6: Final answer
    x = 21,375.33

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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.