Home / 28,227.48-42,341.24-7,169.10

Finding the Fourth Proportional to 28,227.48, 42,341.24 and 7,169.10

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Solution

The fourth proportional to 28,227.48, 42,341.24 and 7,169.10 is: 10,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.48 : 42,341.24 = 7,169.10 : x
  2. Step 2: Convert to fraction form
    28,227.48/42,341.24 = 7,169.10/x
  3. Step 3: Cross multiply
    28,227.48x = 42,341.24 × 7,169.10
  4. Step 4: Simplify right side
    28,227.48x = 303,548,336.13
  5. Step 5: Solve for x
    x = 303,548,336.13/28,227.48
  6. Step 6: Final answer
    x = 10,753.65

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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.