Home / 28,932.66-39,922.29-18,175.86

Finding the Fourth Proportional to 28,932.66, 39,922.29 and 18,175.86

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Solution

The fourth proportional to 28,932.66, 39,922.29 and 18,175.86 is: 25,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,932.66 : 39,922.29 = 18,175.86 : x
  2. Step 2: Convert to fraction form
    28,932.66/39,922.29 = 18,175.86/x
  3. Step 3: Cross multiply
    28,932.66x = 39,922.29 × 18,175.86
  4. Step 4: Simplify right side
    28,932.66x = 725,621,953.92
  5. Step 5: Solve for x
    x = 725,621,953.92/28,932.66
  6. Step 6: Final answer
    x = 25,079.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.