Home / 53,264.03-79,882.22-15,815.30

Finding the Fourth Proportional to 53,264.03, 79,882.22 and 15,815.30

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Solution

The fourth proportional to 53,264.03, 79,882.22 and 15,815.30 is: 23,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,264.03 : 79,882.22 = 15,815.30 : x
  2. Step 2: Convert to fraction form
    53,264.03/79,882.22 = 15,815.30/x
  3. Step 3: Cross multiply
    53,264.03x = 79,882.22 × 15,815.30
  4. Step 4: Simplify right side
    53,264.03x = 1,263,361,513.21
  5. Step 5: Solve for x
    x = 1,263,361,513.21/53,264.03
  6. Step 6: Final answer
    x = 23,718.85

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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.