Home / 28,195.49-42,293.91-9,475.79

Finding the Fourth Proportional to 28,195.49, 42,293.91 and 9,475.79

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Solution

The fourth proportional to 28,195.49, 42,293.91 and 9,475.79 is: 14,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.49 : 42,293.91 = 9,475.79 : x
  2. Step 2: Convert to fraction form
    28,195.49/42,293.91 = 9,475.79/x
  3. Step 3: Cross multiply
    28,195.49x = 42,293.91 × 9,475.79
  4. Step 4: Simplify right side
    28,195.49x = 400,767,997.97
  5. Step 5: Solve for x
    x = 400,767,997.97/28,195.49
  6. Step 6: Final answer
    x = 14,213.91

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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.