Home / 28,868.40-43,324.47-19,486.17

Finding the Fourth Proportional to 28,868.40, 43,324.47 and 19,486.17

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Solution

The fourth proportional to 28,868.40, 43,324.47 and 19,486.17 is: 29,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.40 : 43,324.47 = 19,486.17 : x
  2. Step 2: Convert to fraction form
    28,868.40/43,324.47 = 19,486.17/x
  3. Step 3: Cross multiply
    28,868.40x = 43,324.47 × 19,486.17
  4. Step 4: Simplify right side
    28,868.40x = 844,227,987.58
  5. Step 5: Solve for x
    x = 844,227,987.58/28,868.40
  6. Step 6: Final answer
    x = 29,244.02

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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.