Home / 27,103.65-40,638.13-13,035.66

Finding the Fourth Proportional to 27,103.65, 40,638.13 and 13,035.66

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Solution

The fourth proportional to 27,103.65, 40,638.13 and 13,035.66 is: 19,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.65 : 40,638.13 = 13,035.66 : x
  2. Step 2: Convert to fraction form
    27,103.65/40,638.13 = 13,035.66/x
  3. Step 3: Cross multiply
    27,103.65x = 40,638.13 × 13,035.66
  4. Step 4: Simplify right side
    27,103.65x = 529,744,845.72
  5. Step 5: Solve for x
    x = 529,744,845.72/27,103.65
  6. Step 6: Final answer
    x = 19,545.15

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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.