Home / 21,441.78-29,587.68-12,008.52

Finding the Fourth Proportional to 21,441.78, 29,587.68 and 12,008.52

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Solution

The fourth proportional to 21,441.78, 29,587.68 and 12,008.52 is: 16,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.78 : 29,587.68 = 12,008.52 : x
  2. Step 2: Convert to fraction form
    21,441.78/29,587.68 = 12,008.52/x
  3. Step 3: Cross multiply
    21,441.78x = 29,587.68 × 12,008.52
  4. Step 4: Simplify right side
    21,441.78x = 355,304,247.03
  5. Step 5: Solve for x
    x = 355,304,247.03/21,441.78
  6. Step 6: Final answer
    x = 16,570.65

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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.