Home / 27,301.28-40,958.40-14,159.84

Finding the Fourth Proportional to 27,301.28, 40,958.40 and 14,159.84

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Solution

The fourth proportional to 27,301.28, 40,958.40 and 14,159.84 is: 21,243.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.28 : 40,958.40 = 14,159.84 : x
  2. Step 2: Convert to fraction form
    27,301.28/40,958.40 = 14,159.84/x
  3. Step 3: Cross multiply
    27,301.28x = 40,958.40 × 14,159.84
  4. Step 4: Simplify right side
    27,301.28x = 579,964,390.66
  5. Step 5: Solve for x
    x = 579,964,390.66/27,301.28
  6. Step 6: Final answer
    x = 21,243.12

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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.