Home / 26,361.78-36,381.41-15,034.83

Finding the Fourth Proportional to 26,361.78, 36,381.41 and 15,034.83

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Solution

The fourth proportional to 26,361.78, 36,381.41 and 15,034.83 is: 20,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,361.78 : 36,381.41 = 15,034.83 : x
  2. Step 2: Convert to fraction form
    26,361.78/36,381.41 = 15,034.83/x
  3. Step 3: Cross multiply
    26,361.78x = 36,381.41 × 15,034.83
  4. Step 4: Simplify right side
    26,361.78x = 546,988,352.10
  5. Step 5: Solve for x
    x = 546,988,352.10/26,361.78
  6. Step 6: Final answer
    x = 20,749.30

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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.