Home / 28,306.24-38,995.09-19,792.43

Finding the Fourth Proportional to 28,306.24, 38,995.09 and 19,792.43

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Solution

The fourth proportional to 28,306.24, 38,995.09 and 19,792.43 is: 27,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,306.24 : 38,995.09 = 19,792.43 : x
  2. Step 2: Convert to fraction form
    28,306.24/38,995.09 = 19,792.43/x
  3. Step 3: Cross multiply
    28,306.24x = 38,995.09 × 19,792.43
  4. Step 4: Simplify right side
    28,306.24x = 771,807,589.17
  5. Step 5: Solve for x
    x = 771,807,589.17/28,306.24
  6. Step 6: Final answer
    x = 27,266.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.