Home / 26,291.18-39,396.87-19,275.87

Finding the Fourth Proportional to 26,291.18, 39,396.87 and 19,275.87

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Solution

The fourth proportional to 26,291.18, 39,396.87 and 19,275.87 is: 28,884.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.18 : 39,396.87 = 19,275.87 : x
  2. Step 2: Convert to fraction form
    26,291.18/39,396.87 = 19,275.87/x
  3. Step 3: Cross multiply
    26,291.18x = 39,396.87 × 19,275.87
  4. Step 4: Simplify right side
    26,291.18x = 759,408,796.79
  5. Step 5: Solve for x
    x = 759,408,796.79/26,291.18
  6. Step 6: Final answer
    x = 28,884.54

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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.