Home / 26,647.39-36,769.17-15,314.68

Finding the Fourth Proportional to 26,647.39, 36,769.17 and 15,314.68

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Solution

The fourth proportional to 26,647.39, 36,769.17 and 15,314.68 is: 21,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,647.39 : 36,769.17 = 15,314.68 : x
  2. Step 2: Convert to fraction form
    26,647.39/36,769.17 = 15,314.68/x
  3. Step 3: Cross multiply
    26,647.39x = 36,769.17 × 15,314.68
  4. Step 4: Simplify right side
    26,647.39x = 563,108,072.42
  5. Step 5: Solve for x
    x = 563,108,072.42/26,647.39
  6. Step 6: Final answer
    x = 21,131.83

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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.