Home / 26,963.78-40,445.67-11,381.54

Finding the Fourth Proportional to 26,963.78, 40,445.67 and 11,381.54

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Solution

The fourth proportional to 26,963.78, 40,445.67 and 11,381.54 is: 17,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,963.78 : 40,445.67 = 11,381.54 : x
  2. Step 2: Convert to fraction form
    26,963.78/40,445.67 = 11,381.54/x
  3. Step 3: Cross multiply
    26,963.78x = 40,445.67 × 11,381.54
  4. Step 4: Simplify right side
    26,963.78x = 460,334,010.93
  5. Step 5: Solve for x
    x = 460,334,010.93/26,963.78
  6. Step 6: Final answer
    x = 17,072.31

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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.