Home / 25,190.16-34,763.28-13,860

Finding the Fourth Proportional to 25,190.16, 34,763.28 and 13,860

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Solution

The fourth proportional to 25,190.16, 34,763.28 and 13,860 is: 19,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.16 : 34,763.28 = 13,860 : x
  2. Step 2: Convert to fraction form
    25,190.16/34,763.28 = 13,860/x
  3. Step 3: Cross multiply
    25,190.16x = 34,763.28 × 13,860
  4. Step 4: Simplify right side
    25,190.16x = 481,819,060.80
  5. Step 5: Solve for x
    x = 481,819,060.80/25,190.16
  6. Step 6: Final answer
    x = 19,127.27

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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.