Home / 27,917.39-41,876.63-13,118.15

Finding the Fourth Proportional to 27,917.39, 41,876.63 and 13,118.15

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Solution

The fourth proportional to 27,917.39, 41,876.63 and 13,118.15 is: 19,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917.39 : 41,876.63 = 13,118.15 : x
  2. Step 2: Convert to fraction form
    27,917.39/41,876.63 = 13,118.15/x
  3. Step 3: Cross multiply
    27,917.39x = 41,876.63 × 13,118.15
  4. Step 4: Simplify right side
    27,917.39x = 549,343,638.86
  5. Step 5: Solve for x
    x = 549,343,638.86/27,917.39
  6. Step 6: Final answer
    x = 19,677.47

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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.