Home / 26,768.88-36,938.43-15,439.41

Finding the Fourth Proportional to 26,768.88, 36,938.43 and 15,439.41

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Solution

The fourth proportional to 26,768.88, 36,938.43 and 15,439.41 is: 21,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.88 : 36,938.43 = 15,439.41 : x
  2. Step 2: Convert to fraction form
    26,768.88/36,938.43 = 15,439.41/x
  3. Step 3: Cross multiply
    26,768.88x = 36,938.43 × 15,439.41
  4. Step 4: Simplify right side
    26,768.88x = 570,307,565.53
  5. Step 5: Solve for x
    x = 570,307,565.53/26,768.88
  6. Step 6: Final answer
    x = 21,304.87

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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.