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Finding the Fourth Proportional to 26,883.70, 40,324.64 and 10,243.13

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Solution

The fourth proportional to 26,883.70, 40,324.64 and 10,243.13 is: 15,364.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,883.70 : 40,324.64 = 10,243.13 : x
  2. Step 2: Convert to fraction form
    26,883.70/40,324.64 = 10,243.13/x
  3. Step 3: Cross multiply
    26,883.70x = 40,324.64 × 10,243.13
  4. Step 4: Simplify right side
    26,883.70x = 413,050,617.12
  5. Step 5: Solve for x
    x = 413,050,617.12/26,883.70
  6. Step 6: Final answer
    x = 15,364.35

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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.