Home / 19,223.12-28,839.48-5,372

Finding the Fourth Proportional to 19,223.12, 28,839.48 and 5,372

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Solution

The fourth proportional to 19,223.12, 28,839.48 and 5,372 is: 8,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.12 : 28,839.48 = 5,372 : x
  2. Step 2: Convert to fraction form
    19,223.12/28,839.48 = 5,372/x
  3. Step 3: Cross multiply
    19,223.12x = 28,839.48 × 5,372
  4. Step 4: Simplify right side
    19,223.12x = 154,925,686.56
  5. Step 5: Solve for x
    x = 154,925,686.56/19,223.12
  6. Step 6: Final answer
    x = 8,059.34

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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.