Home / 42,289.40-63,388.32-27,508.88

Finding the Fourth Proportional to 42,289.40, 63,388.32 and 27,508.88

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Solution

The fourth proportional to 42,289.40, 63,388.32 and 27,508.88 is: 41,233.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289.40 : 63,388.32 = 27,508.88 : x
  2. Step 2: Convert to fraction form
    42,289.40/63,388.32 = 27,508.88/x
  3. Step 3: Cross multiply
    42,289.40x = 63,388.32 × 27,508.88
  4. Step 4: Simplify right side
    42,289.40x = 1,743,741,688.28
  5. Step 5: Solve for x
    x = 1,743,741,688.28/42,289.40
  6. Step 6: Final answer
    x = 41,233.54

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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.