Home / 25,180.76-34,754.69-15,976.35

Finding the Fourth Proportional to 25,180.76, 34,754.69 and 15,976.35

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Solution

The fourth proportional to 25,180.76, 34,754.69 and 15,976.35 is: 22,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.76 : 34,754.69 = 15,976.35 : x
  2. Step 2: Convert to fraction form
    25,180.76/34,754.69 = 15,976.35/x
  3. Step 3: Cross multiply
    25,180.76x = 34,754.69 × 15,976.35
  4. Step 4: Simplify right side
    25,180.76x = 555,253,011.70
  5. Step 5: Solve for x
    x = 555,253,011.70/25,180.76
  6. Step 6: Final answer
    x = 22,050.69

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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.