Home / 27,104.79-40,661.10-8,386.41

Finding the Fourth Proportional to 27,104.79, 40,661.10 and 8,386.41

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Solution

The fourth proportional to 27,104.79, 40,661.10 and 8,386.41 is: 12,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.79 : 40,661.10 = 8,386.41 : x
  2. Step 2: Convert to fraction form
    27,104.79/40,661.10 = 8,386.41/x
  3. Step 3: Cross multiply
    27,104.79x = 40,661.10 × 8,386.41
  4. Step 4: Simplify right side
    27,104.79x = 341,000,655.65
  5. Step 5: Solve for x
    x = 341,000,655.65/27,104.79
  6. Step 6: Final answer
    x = 12,580.83

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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.