Home / 27,137.13-40,713.94-18,287.98

Finding the Fourth Proportional to 27,137.13, 40,713.94 and 18,287.98

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Solution

The fourth proportional to 27,137.13, 40,713.94 and 18,287.98 is: 27,437.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,137.13 : 40,713.94 = 18,287.98 : x
  2. Step 2: Convert to fraction form
    27,137.13/40,713.94 = 18,287.98/x
  3. Step 3: Cross multiply
    27,137.13x = 40,713.94 × 18,287.98
  4. Step 4: Simplify right side
    27,137.13x = 744,575,641.52
  5. Step 5: Solve for x
    x = 744,575,641.52/27,137.13
  6. Step 6: Final answer
    x = 27,437.53

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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.