Home / 27,102.19-40,643.18-9,327.88

Finding the Fourth Proportional to 27,102.19, 40,643.18 and 9,327.88

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Solution

The fourth proportional to 27,102.19, 40,643.18 and 9,327.88 is: 13,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.19 : 40,643.18 = 9,327.88 : x
  2. Step 2: Convert to fraction form
    27,102.19/40,643.18 = 9,327.88/x
  3. Step 3: Cross multiply
    27,102.19x = 40,643.18 × 9,327.88
  4. Step 4: Simplify right side
    27,102.19x = 379,114,456.00
  5. Step 5: Solve for x
    x = 379,114,456.00/27,102.19
  6. Step 6: Final answer
    x = 13,988.34

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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.