Home / 20,522.73-28,320.98-11,570.24

Finding the Fourth Proportional to 20,522.73, 28,320.98 and 11,570.24

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Solution

The fourth proportional to 20,522.73, 28,320.98 and 11,570.24 is: 15,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.73 : 28,320.98 = 11,570.24 : x
  2. Step 2: Convert to fraction form
    20,522.73/28,320.98 = 11,570.24/x
  3. Step 3: Cross multiply
    20,522.73x = 28,320.98 × 11,570.24
  4. Step 4: Simplify right side
    20,522.73x = 327,680,394.03
  5. Step 5: Solve for x
    x = 327,680,394.03/20,522.73
  6. Step 6: Final answer
    x = 15,966.71

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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.