Home / 20,824.24-28,737.60-11,264.13

Finding the Fourth Proportional to 20,824.24, 28,737.60 and 11,264.13

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Solution

The fourth proportional to 20,824.24, 28,737.60 and 11,264.13 is: 15,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824.24 : 28,737.60 = 11,264.13 : x
  2. Step 2: Convert to fraction form
    20,824.24/28,737.60 = 11,264.13/x
  3. Step 3: Cross multiply
    20,824.24x = 28,737.60 × 11,264.13
  4. Step 4: Simplify right side
    20,824.24x = 323,704,062.29
  5. Step 5: Solve for x
    x = 323,704,062.29/20,824.24
  6. Step 6: Final answer
    x = 15,544.58

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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.