Home / 21,882.42-32,832.54-10,188.45

Finding the Fourth Proportional to 21,882.42, 32,832.54 and 10,188.45

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Solution

The fourth proportional to 21,882.42, 32,832.54 and 10,188.45 is: 15,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.42 : 32,832.54 = 10,188.45 : x
  2. Step 2: Convert to fraction form
    21,882.42/32,832.54 = 10,188.45/x
  3. Step 3: Cross multiply
    21,882.42x = 32,832.54 × 10,188.45
  4. Step 4: Simplify right side
    21,882.42x = 334,512,692.16
  5. Step 5: Solve for x
    x = 334,512,692.16/21,882.42
  6. Step 6: Final answer
    x = 15,286.82

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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.