Home / 21,902.08-32,860.32-8,757.76

Finding the Fourth Proportional to 21,902.08, 32,860.32 and 8,757.76

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Solution

The fourth proportional to 21,902.08, 32,860.32 and 8,757.76 is: 13,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902.08 : 32,860.32 = 8,757.76 : x
  2. Step 2: Convert to fraction form
    21,902.08/32,860.32 = 8,757.76/x
  3. Step 3: Cross multiply
    21,902.08x = 32,860.32 × 8,757.76
  4. Step 4: Simplify right side
    21,902.08x = 287,782,796.08
  5. Step 5: Solve for x
    x = 287,782,796.08/21,902.08
  6. Step 6: Final answer
    x = 13,139.52

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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.