Home / 20,098.04-27,729.63-15,835.89

Finding the Fourth Proportional to 20,098.04, 27,729.63 and 15,835.89

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Solution

The fourth proportional to 20,098.04, 27,729.63 and 15,835.89 is: 21,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.04 : 27,729.63 = 15,835.89 : x
  2. Step 2: Convert to fraction form
    20,098.04/27,729.63 = 15,835.89/x
  3. Step 3: Cross multiply
    20,098.04x = 27,729.63 × 15,835.89
  4. Step 4: Simplify right side
    20,098.04x = 439,123,370.42
  5. Step 5: Solve for x
    x = 439,123,370.42/20,098.04
  6. Step 6: Final answer
    x = 21,849.06

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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.