Home / 22,919.51-34,307.37-15,761.99

Finding the Fourth Proportional to 22,919.51, 34,307.37 and 15,761.99

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Solution

The fourth proportional to 22,919.51, 34,307.37 and 15,761.99 is: 23,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.51 : 34,307.37 = 15,761.99 : x
  2. Step 2: Convert to fraction form
    22,919.51/34,307.37 = 15,761.99/x
  3. Step 3: Cross multiply
    22,919.51x = 34,307.37 × 15,761.99
  4. Step 4: Simplify right side
    22,919.51x = 540,752,508.63
  5. Step 5: Solve for x
    x = 540,752,508.63/22,919.51
  6. Step 6: Final answer
    x = 23,593.54

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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.