Home / 27,288.53-40,918.95-13,959.48

Finding the Fourth Proportional to 27,288.53, 40,918.95 and 13,959.48

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Solution

The fourth proportional to 27,288.53, 40,918.95 and 13,959.48 is: 20,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.53 : 40,918.95 = 13,959.48 : x
  2. Step 2: Convert to fraction form
    27,288.53/40,918.95 = 13,959.48/x
  3. Step 3: Cross multiply
    27,288.53x = 40,918.95 × 13,959.48
  4. Step 4: Simplify right side
    27,288.53x = 571,207,264.15
  5. Step 5: Solve for x
    x = 571,207,264.15/27,288.53
  6. Step 6: Final answer
    x = 20,932.14

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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.