Home / 20,224.28-27,904.80-12,264.92

Finding the Fourth Proportional to 20,224.28, 27,904.80 and 12,264.92

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Solution

The fourth proportional to 20,224.28, 27,904.80 and 12,264.92 is: 16,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.28 : 27,904.80 = 12,264.92 : x
  2. Step 2: Convert to fraction form
    20,224.28/27,904.80 = 12,264.92/x
  3. Step 3: Cross multiply
    20,224.28x = 27,904.80 × 12,264.92
  4. Step 4: Simplify right side
    20,224.28x = 342,250,139.62
  5. Step 5: Solve for x
    x = 342,250,139.62/20,224.28
  6. Step 6: Final answer
    x = 16,922.74

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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.