Home / 39,279.36-58,881.36-25,200

Finding the Fourth Proportional to 39,279.36, 58,881.36 and 25,200

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Solution

The fourth proportional to 39,279.36, 58,881.36 and 25,200 is: 37,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.36 : 58,881.36 = 25,200 : x
  2. Step 2: Convert to fraction form
    39,279.36/58,881.36 = 25,200/x
  3. Step 3: Cross multiply
    39,279.36x = 58,881.36 × 25,200
  4. Step 4: Simplify right side
    39,279.36x = 1,483,810,272
  5. Step 5: Solve for x
    x = 1,483,810,272/39,279.36
  6. Step 6: Final answer
    x = 37,775.83

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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.