Home / 28,327.20-42,487.36-7,552.32

Finding the Fourth Proportional to 28,327.20, 42,487.36 and 7,552.32

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Solution

The fourth proportional to 28,327.20, 42,487.36 and 7,552.32 is: 11,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.20 : 42,487.36 = 7,552.32 : x
  2. Step 2: Convert to fraction form
    28,327.20/42,487.36 = 7,552.32/x
  3. Step 3: Cross multiply
    28,327.20x = 42,487.36 × 7,552.32
  4. Step 4: Simplify right side
    28,327.20x = 320,878,138.68
  5. Step 5: Solve for x
    x = 320,878,138.68/28,327.20
  6. Step 6: Final answer
    x = 11,327.56

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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.