Home / 22,966.64-31,679.16-15,793.28

Finding the Fourth Proportional to 22,966.64, 31,679.16 and 15,793.28

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Solution

The fourth proportional to 22,966.64, 31,679.16 and 15,793.28 is: 21,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,966.64 : 31,679.16 = 15,793.28 : x
  2. Step 2: Convert to fraction form
    22,966.64/31,679.16 = 15,793.28/x
  3. Step 3: Cross multiply
    22,966.64x = 31,679.16 × 15,793.28
  4. Step 4: Simplify right side
    22,966.64x = 500,317,844.04
  5. Step 5: Solve for x
    x = 500,317,844.04/22,966.64
  6. Step 6: Final answer
    x = 21,784.55

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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.