Home / 21,249.08-31,838.15-14,998.85

Finding the Fourth Proportional to 21,249.08, 31,838.15 and 14,998.85

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Solution

The fourth proportional to 21,249.08, 31,838.15 and 14,998.85 is: 22,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.08 : 31,838.15 = 14,998.85 : x
  2. Step 2: Convert to fraction form
    21,249.08/31,838.15 = 14,998.85/x
  3. Step 3: Cross multiply
    21,249.08x = 31,838.15 × 14,998.85
  4. Step 4: Simplify right side
    21,249.08x = 477,535,561.13
  5. Step 5: Solve for x
    x = 477,535,561.13/21,249.08
  6. Step 6: Final answer
    x = 22,473.23

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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.