Home / 84,216.38-126,297.18-28,041.38

Finding the Fourth Proportional to 84,216.38, 126,297.18 and 28,041.38

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Solution

The fourth proportional to 84,216.38, 126,297.18 and 28,041.38 is: 42,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,216.38 : 126,297.18 = 28,041.38 : x
  2. Step 2: Convert to fraction form
    84,216.38/126,297.18 = 28,041.38/x
  3. Step 3: Cross multiply
    84,216.38x = 126,297.18 × 28,041.38
  4. Step 4: Simplify right side
    84,216.38x = 3,541,547,217.31
  5. Step 5: Solve for x
    x = 3,541,547,217.31/84,216.38
  6. Step 6: Final answer
    x = 42,052.95

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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.