Home / 28,079.03-42,115.66-9,357.05

Finding the Fourth Proportional to 28,079.03, 42,115.66 and 9,357.05

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Solution

The fourth proportional to 28,079.03, 42,115.66 and 9,357.05 is: 14,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,079.03 : 42,115.66 = 9,357.05 : x
  2. Step 2: Convert to fraction form
    28,079.03/42,115.66 = 9,357.05/x
  3. Step 3: Cross multiply
    28,079.03x = 42,115.66 × 9,357.05
  4. Step 4: Simplify right side
    28,079.03x = 394,078,418.30
  5. Step 5: Solve for x
    x = 394,078,418.30/28,079.03
  6. Step 6: Final answer
    x = 14,034.62

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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.