Home / 27,377.86-37,781.22-15,440.62

Finding the Fourth Proportional to 27,377.86, 37,781.22 and 15,440.62

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Solution

The fourth proportional to 27,377.86, 37,781.22 and 15,440.62 is: 21,307.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,377.86 : 37,781.22 = 15,440.62 : x
  2. Step 2: Convert to fraction form
    27,377.86/37,781.22 = 15,440.62/x
  3. Step 3: Cross multiply
    27,377.86x = 37,781.22 × 15,440.62
  4. Step 4: Simplify right side
    27,377.86x = 583,365,461.16
  5. Step 5: Solve for x
    x = 583,365,461.16/27,377.86
  6. Step 6: Final answer
    x = 21,307.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.