Home / 19,040.51-28,561.82-5,891.85

Finding the Fourth Proportional to 19,040.51, 28,561.82 and 5,891.85

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Solution

The fourth proportional to 19,040.51, 28,561.82 and 5,891.85 is: 8,838.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.51 : 28,561.82 = 5,891.85 : x
  2. Step 2: Convert to fraction form
    19,040.51/28,561.82 = 5,891.85/x
  3. Step 3: Cross multiply
    19,040.51x = 28,561.82 × 5,891.85
  4. Step 4: Simplify right side
    19,040.51x = 168,281,959.17
  5. Step 5: Solve for x
    x = 168,281,959.17/19,040.51
  6. Step 6: Final answer
    x = 8,838.10

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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.