Home / 20,494.28-28,282.20-11,541.93

Finding the Fourth Proportional to 20,494.28, 28,282.20 and 11,541.93

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Solution

The fourth proportional to 20,494.28, 28,282.20 and 11,541.93 is: 15,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.28 : 28,282.20 = 11,541.93 : x
  2. Step 2: Convert to fraction form
    20,494.28/28,282.20 = 11,541.93/x
  3. Step 3: Cross multiply
    20,494.28x = 28,282.20 × 11,541.93
  4. Step 4: Simplify right side
    20,494.28x = 326,431,172.65
  5. Step 5: Solve for x
    x = 326,431,172.65/20,494.28
  6. Step 6: Final answer
    x = 15,927.92

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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.