Home / 20,008.80-27,601.56-16,236.12

Finding the Fourth Proportional to 20,008.80, 27,601.56 and 16,236.12

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Solution

The fourth proportional to 20,008.80, 27,601.56 and 16,236.12 is: 22,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.80 : 27,601.56 = 16,236.12 : x
  2. Step 2: Convert to fraction form
    20,008.80/27,601.56 = 16,236.12/x
  3. Step 3: Cross multiply
    20,008.80x = 27,601.56 × 16,236.12
  4. Step 4: Simplify right side
    20,008.80x = 448,142,240.35
  5. Step 5: Solve for x
    x = 448,142,240.35/20,008.80
  6. Step 6: Final answer
    x = 22,397.26

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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.