Home / 21,972.08-32,948.26-13,091.59

Finding the Fourth Proportional to 21,972.08, 32,948.26 and 13,091.59

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Solution

The fourth proportional to 21,972.08, 32,948.26 and 13,091.59 is: 19,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.08 : 32,948.26 = 13,091.59 : x
  2. Step 2: Convert to fraction form
    21,972.08/32,948.26 = 13,091.59/x
  3. Step 3: Cross multiply
    21,972.08x = 32,948.26 × 13,091.59
  4. Step 4: Simplify right side
    21,972.08x = 431,344,996.03
  5. Step 5: Solve for x
    x = 431,344,996.03/21,972.08
  6. Step 6: Final answer
    x = 19,631.51

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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.