Home / 38,327.60-52,892-21,560.60

Finding the Fourth Proportional to 38,327.60, 52,892 and 21,560.60

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Solution

The fourth proportional to 38,327.60, 52,892 and 21,560.60 is: 29,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.60 : 52,892 = 21,560.60 : x
  2. Step 2: Convert to fraction form
    38,327.60/52,892 = 21,560.60/x
  3. Step 3: Cross multiply
    38,327.60x = 52,892 × 21,560.60
  4. Step 4: Simplify right side
    38,327.60x = 1,140,383,255.20
  5. Step 5: Solve for x
    x = 1,140,383,255.20/38,327.60
  6. Step 6: Final answer
    x = 29,753.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.