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Finding the Fourth Proportional to 26,339.41, 36,348.42 and 15,008.41

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Solution

The fourth proportional to 26,339.41, 36,348.42 and 15,008.41 is: 20,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,339.41 : 36,348.42 = 15,008.41 : x
  2. Step 2: Convert to fraction form
    26,339.41/36,348.42 = 15,008.41/x
  3. Step 3: Cross multiply
    26,339.41x = 36,348.42 × 15,008.41
  4. Step 4: Simplify right side
    26,339.41x = 545,531,990.21
  5. Step 5: Solve for x
    x = 545,531,990.21/26,339.41
  6. Step 6: Final answer
    x = 20,711.63

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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.