Home / 25,786.56-38,693.01-12,292.98

Finding the Fourth Proportional to 25,786.56, 38,693.01 and 12,292.98

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Solution

The fourth proportional to 25,786.56, 38,693.01 and 12,292.98 is: 18,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,786.56 : 38,693.01 = 12,292.98 : x
  2. Step 2: Convert to fraction form
    25,786.56/38,693.01 = 12,292.98/x
  3. Step 3: Cross multiply
    25,786.56x = 38,693.01 × 12,292.98
  4. Step 4: Simplify right side
    25,786.56x = 475,652,398.07
  5. Step 5: Solve for x
    x = 475,652,398.07/25,786.56
  6. Step 6: Final answer
    x = 18,445.75

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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.