Home / 20,277.12-27,966.98-17,449.21

Finding the Fourth Proportional to 20,277.12, 27,966.98 and 17,449.21

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Solution

The fourth proportional to 20,277.12, 27,966.98 and 17,449.21 is: 24,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.12 : 27,966.98 = 17,449.21 : x
  2. Step 2: Convert to fraction form
    20,277.12/27,966.98 = 17,449.21/x
  3. Step 3: Cross multiply
    20,277.12x = 27,966.98 × 17,449.21
  4. Step 4: Simplify right side
    20,277.12x = 488,001,680.79
  5. Step 5: Solve for x
    x = 488,001,680.79/20,277.12
  6. Step 6: Final answer
    x = 24,066.62

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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.