Home / 20,084.64-27,715.95-11,132.52

Finding the Fourth Proportional to 20,084.64, 27,715.95 and 11,132.52

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Solution

The fourth proportional to 20,084.64, 27,715.95 and 11,132.52 is: 15,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,084.64 : 27,715.95 = 11,132.52 : x
  2. Step 2: Convert to fraction form
    20,084.64/27,715.95 = 11,132.52/x
  3. Step 3: Cross multiply
    20,084.64x = 27,715.95 × 11,132.52
  4. Step 4: Simplify right side
    20,084.64x = 308,548,367.69
  5. Step 5: Solve for x
    x = 308,548,367.69/20,084.64
  6. Step 6: Final answer
    x = 15,362.40

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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.