Home / 23,278.11-34,911.18-8,485.80

Finding the Fourth Proportional to 23,278.11, 34,911.18 and 8,485.80

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Solution

The fourth proportional to 23,278.11, 34,911.18 and 8,485.80 is: 12,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.11 : 34,911.18 = 8,485.80 : x
  2. Step 2: Convert to fraction form
    23,278.11/34,911.18 = 8,485.80/x
  3. Step 3: Cross multiply
    23,278.11x = 34,911.18 × 8,485.80
  4. Step 4: Simplify right side
    23,278.11x = 296,249,291.24
  5. Step 5: Solve for x
    x = 296,249,291.24/23,278.11
  6. Step 6: Final answer
    x = 12,726.52

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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.