Home / 27,731.16-38,281.68-17,673.36

Finding the Fourth Proportional to 27,731.16, 38,281.68 and 17,673.36

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Solution

The fourth proportional to 27,731.16, 38,281.68 and 17,673.36 is: 24,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.16 : 38,281.68 = 17,673.36 : x
  2. Step 2: Convert to fraction form
    27,731.16/38,281.68 = 17,673.36/x
  3. Step 3: Cross multiply
    27,731.16x = 38,281.68 × 17,673.36
  4. Step 4: Simplify right side
    27,731.16x = 676,565,912.04
  5. Step 5: Solve for x
    x = 676,565,912.04/27,731.16
  6. Step 6: Final answer
    x = 24,397.32

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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.