Home / 22,800.20-31,461.23-12,727.18

Finding the Fourth Proportional to 22,800.20, 31,461.23 and 12,727.18

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Solution

The fourth proportional to 22,800.20, 31,461.23 and 12,727.18 is: 17,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.20 : 31,461.23 = 12,727.18 : x
  2. Step 2: Convert to fraction form
    22,800.20/31,461.23 = 12,727.18/x
  3. Step 3: Cross multiply
    22,800.20x = 31,461.23 × 12,727.18
  4. Step 4: Simplify right side
    22,800.20x = 400,412,516.29
  5. Step 5: Solve for x
    x = 400,412,516.29/22,800.20
  6. Step 6: Final answer
    x = 17,561.80

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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.