Home / 21,569.57-32,354.35-9,882.79

Finding the Fourth Proportional to 21,569.57, 32,354.35 and 9,882.79

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Solution

The fourth proportional to 21,569.57, 32,354.35 and 9,882.79 is: 14,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.57 : 32,354.35 = 9,882.79 : x
  2. Step 2: Convert to fraction form
    21,569.57/32,354.35 = 9,882.79/x
  3. Step 3: Cross multiply
    21,569.57x = 32,354.35 × 9,882.79
  4. Step 4: Simplify right side
    21,569.57x = 319,751,246.64
  5. Step 5: Solve for x
    x = 319,751,246.64/21,569.57
  6. Step 6: Final answer
    x = 14,824.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.