Home / 20,292.84-30,439.28-5,501.76

Finding the Fourth Proportional to 20,292.84, 30,439.28 and 5,501.76

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Solution

The fourth proportional to 20,292.84, 30,439.28 and 5,501.76 is: 8,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.84 : 30,439.28 = 5,501.76 : x
  2. Step 2: Convert to fraction form
    20,292.84/30,439.28 = 5,501.76/x
  3. Step 3: Cross multiply
    20,292.84x = 30,439.28 × 5,501.76
  4. Step 4: Simplify right side
    20,292.84x = 167,469,613.13
  5. Step 5: Solve for x
    x = 167,469,613.13/20,292.84
  6. Step 6: Final answer
    x = 8,252.65

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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.