Home / 29,278.65-40,404.59-15,850.02

Finding the Fourth Proportional to 29,278.65, 40,404.59 and 15,850.02

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Solution

The fourth proportional to 29,278.65, 40,404.59 and 15,850.02 is: 21,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.65 : 40,404.59 = 15,850.02 : x
  2. Step 2: Convert to fraction form
    29,278.65/40,404.59 = 15,850.02/x
  3. Step 3: Cross multiply
    29,278.65x = 40,404.59 × 15,850.02
  4. Step 4: Simplify right side
    29,278.65x = 640,413,559.59
  5. Step 5: Solve for x
    x = 640,413,559.59/29,278.65
  6. Step 6: Final answer
    x = 21,873.06

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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.