Home / 38,859.57-58,274.78-12,557.25

Finding the Fourth Proportional to 38,859.57, 58,274.78 and 12,557.25

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Solution

The fourth proportional to 38,859.57, 58,274.78 and 12,557.25 is: 18,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.57 : 58,274.78 = 12,557.25 : x
  2. Step 2: Convert to fraction form
    38,859.57/58,274.78 = 12,557.25/x
  3. Step 3: Cross multiply
    38,859.57x = 58,274.78 × 12,557.25
  4. Step 4: Simplify right side
    38,859.57x = 731,770,918.37
  5. Step 5: Solve for x
    x = 731,770,918.37/38,859.57
  6. Step 6: Final answer
    x = 18,831.16

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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.