Home / 38,327.78-52,899.68-21,560.78

Finding the Fourth Proportional to 38,327.78, 52,899.68 and 21,560.78

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Solution

The fourth proportional to 38,327.78, 52,899.68 and 21,560.78 is: 29,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.78 : 52,899.68 = 21,560.78 : x
  2. Step 2: Convert to fraction form
    38,327.78/52,899.68 = 21,560.78/x
  3. Step 3: Cross multiply
    38,327.78x = 52,899.68 × 21,560.78
  4. Step 4: Simplify right side
    38,327.78x = 1,140,558,362.55
  5. Step 5: Solve for x
    x = 1,140,558,362.55/38,327.78
  6. Step 6: Final answer
    x = 29,758.01

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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.