Home / 21,956.32-32,934.36-8,799.28

Finding the Fourth Proportional to 21,956.32, 32,934.36 and 8,799.28

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Solution

The fourth proportional to 21,956.32, 32,934.36 and 8,799.28 is: 13,198.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.32 : 32,934.36 = 8,799.28 : x
  2. Step 2: Convert to fraction form
    21,956.32/32,934.36 = 8,799.28/x
  3. Step 3: Cross multiply
    21,956.32x = 32,934.36 × 8,799.28
  4. Step 4: Simplify right side
    21,956.32x = 289,798,655.26
  5. Step 5: Solve for x
    x = 289,798,655.26/21,956.32
  6. Step 6: Final answer
    x = 13,198.87

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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.