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Finding the Fourth Proportional to 26,242.62, 36,213.39 and 15,064.62

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Solution

The fourth proportional to 26,242.62, 36,213.39 and 15,064.62 is: 20,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,242.62 : 36,213.39 = 15,064.62 : x
  2. Step 2: Convert to fraction form
    26,242.62/36,213.39 = 15,064.62/x
  3. Step 3: Cross multiply
    26,242.62x = 36,213.39 × 15,064.62
  4. Step 4: Simplify right side
    26,242.62x = 545,540,959.26
  5. Step 5: Solve for x
    x = 545,540,959.26/26,242.62
  6. Step 6: Final answer
    x = 20,788.36

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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.