Home / 21,331.39-32,000.84-7,288.13

Finding the Fourth Proportional to 21,331.39, 32,000.84 and 7,288.13

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Solution

The fourth proportional to 21,331.39, 32,000.84 and 7,288.13 is: 10,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.39 : 32,000.84 = 7,288.13 : x
  2. Step 2: Convert to fraction form
    21,331.39/32,000.84 = 7,288.13/x
  3. Step 3: Cross multiply
    21,331.39x = 32,000.84 × 7,288.13
  4. Step 4: Simplify right side
    21,331.39x = 233,226,282.03
  5. Step 5: Solve for x
    x = 233,226,282.03/21,331.39
  6. Step 6: Final answer
    x = 10,933.48

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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.