Home / 21,330.59-32,000.89-7,290.73

Finding the Fourth Proportional to 21,330.59, 32,000.89 and 7,290.73

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Solution

The fourth proportional to 21,330.59, 32,000.89 and 7,290.73 is: 10,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.59 : 32,000.89 = 7,290.73 : x
  2. Step 2: Convert to fraction form
    21,330.59/32,000.89 = 7,290.73/x
  3. Step 3: Cross multiply
    21,330.59x = 32,000.89 × 7,290.73
  4. Step 4: Simplify right side
    21,330.59x = 233,309,848.75
  5. Step 5: Solve for x
    x = 233,309,848.75/21,330.59
  6. Step 6: Final answer
    x = 10,937.81

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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.