Home / 27,942.92-38,616.53-22,899.18

Finding the Fourth Proportional to 27,942.92, 38,616.53 and 22,899.18

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Solution

The fourth proportional to 27,942.92, 38,616.53 and 22,899.18 is: 31,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.92 : 38,616.53 = 22,899.18 : x
  2. Step 2: Convert to fraction form
    27,942.92/38,616.53 = 22,899.18/x
  3. Step 3: Cross multiply
    27,942.92x = 38,616.53 × 22,899.18
  4. Step 4: Simplify right side
    27,942.92x = 884,286,871.45
  5. Step 5: Solve for x
    x = 884,286,871.45/27,942.92
  6. Step 6: Final answer
    x = 31,646.19

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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.