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Finding the Fourth Proportional to 26,797.74, 36,981.11 and 14,860.97

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Solution

The fourth proportional to 26,797.74, 36,981.11 and 14,860.97 is: 20,508.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.74 : 36,981.11 = 14,860.97 : x
  2. Step 2: Convert to fraction form
    26,797.74/36,981.11 = 14,860.97/x
  3. Step 3: Cross multiply
    26,797.74x = 36,981.11 × 14,860.97
  4. Step 4: Simplify right side
    26,797.74x = 549,575,073.61
  5. Step 5: Solve for x
    x = 549,575,073.61/26,797.74
  6. Step 6: Final answer
    x = 20,508.26

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1.5x scale

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.