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Finding the Fourth Proportional to 26,883, 37,098.54 and 15,107

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Solution

The fourth proportional to 26,883, 37,098.54 and 15,107 is: 20,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883 : 37,098.54 = 15,107 : x
  2. Step 2: Convert to fraction form
    26,883/37,098.54 = 15,107/x
  3. Step 3: Cross multiply
    26,883x = 37,098.54 × 15,107
  4. Step 4: Simplify right side
    26,883x = 560,447,643.78
  5. Step 5: Solve for x
    x = 560,447,643.78/26,883
  6. Step 6: Final answer
    x = 20,847.66

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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.