Home / 20,282.76-30,352.86-17,543.88

Finding the Fourth Proportional to 20,282.76, 30,352.86 and 17,543.88

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Solution

The fourth proportional to 20,282.76, 30,352.86 and 17,543.88 is: 26,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.76 : 30,352.86 = 17,543.88 : x
  2. Step 2: Convert to fraction form
    20,282.76/30,352.86 = 17,543.88/x
  3. Step 3: Cross multiply
    20,282.76x = 30,352.86 × 17,543.88
  4. Step 4: Simplify right side
    20,282.76x = 532,506,933.50
  5. Step 5: Solve for x
    x = 532,506,933.50/20,282.76
  6. Step 6: Final answer
    x = 26,254.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.