Home / 23,279.67-34,919.51-19,159.02

Finding the Fourth Proportional to 23,279.67, 34,919.51 and 19,159.02

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Solution

The fourth proportional to 23,279.67, 34,919.51 and 19,159.02 is: 28,738.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.67 : 34,919.51 = 19,159.02 : x
  2. Step 2: Convert to fraction form
    23,279.67/34,919.51 = 19,159.02/x
  3. Step 3: Cross multiply
    23,279.67x = 34,919.51 × 19,159.02
  4. Step 4: Simplify right side
    23,279.67x = 669,023,494.69
  5. Step 5: Solve for x
    x = 669,023,494.69/23,279.67
  6. Step 6: Final answer
    x = 28,738.53

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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.