Home / 26,018.78-39,034.38-8,488.63

Finding the Fourth Proportional to 26,018.78, 39,034.38 and 8,488.63

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Solution

The fourth proportional to 26,018.78, 39,034.38 and 8,488.63 is: 12,734.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,018.78 : 39,034.38 = 8,488.63 : x
  2. Step 2: Convert to fraction form
    26,018.78/39,034.38 = 8,488.63/x
  3. Step 3: Cross multiply
    26,018.78x = 39,034.38 × 8,488.63
  4. Step 4: Simplify right side
    26,018.78x = 331,348,213.93
  5. Step 5: Solve for x
    x = 331,348,213.93/26,018.78
  6. Step 6: Final answer
    x = 12,734.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.