Home / 27,281.88-40,921.61-11,269.40

Finding the Fourth Proportional to 27,281.88, 40,921.61 and 11,269.40

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Solution

The fourth proportional to 27,281.88, 40,921.61 and 11,269.40 is: 16,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,281.88 : 40,921.61 = 11,269.40 : x
  2. Step 2: Convert to fraction form
    27,281.88/40,921.61 = 11,269.40/x
  3. Step 3: Cross multiply
    27,281.88x = 40,921.61 × 11,269.40
  4. Step 4: Simplify right side
    27,281.88x = 461,161,730.78
  5. Step 5: Solve for x
    x = 461,161,730.78/27,281.88
  6. Step 6: Final answer
    x = 16,903.59

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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.