Home / 21,677.24-32,521.32-9,998.66

Finding the Fourth Proportional to 21,677.24, 32,521.32 and 9,998.66

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Solution

The fourth proportional to 21,677.24, 32,521.32 and 9,998.66 is: 15,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,677.24 : 32,521.32 = 9,998.66 : x
  2. Step 2: Convert to fraction form
    21,677.24/32,521.32 = 9,998.66/x
  3. Step 3: Cross multiply
    21,677.24x = 32,521.32 × 9,998.66
  4. Step 4: Simplify right side
    21,677.24x = 325,169,621.43
  5. Step 5: Solve for x
    x = 325,169,621.43/21,677.24
  6. Step 6: Final answer
    x = 15,000.51

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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.