Home / 25,919.98-38,953.10-15,391.83

Finding the Fourth Proportional to 25,919.98, 38,953.10 and 15,391.83

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Solution

The fourth proportional to 25,919.98, 38,953.10 and 15,391.83 is: 23,131.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,919.98 : 38,953.10 = 15,391.83 : x
  2. Step 2: Convert to fraction form
    25,919.98/38,953.10 = 15,391.83/x
  3. Step 3: Cross multiply
    25,919.98x = 38,953.10 × 15,391.83
  4. Step 4: Simplify right side
    25,919.98x = 599,559,493.17
  5. Step 5: Solve for x
    x = 599,559,493.17/25,919.98
  6. Step 6: Final answer
    x = 23,131.17

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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.