Home / 39,081.36-58,635-25,985.28

Finding the Fourth Proportional to 39,081.36, 58,635 and 25,985.28

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Solution

The fourth proportional to 39,081.36, 58,635 and 25,985.28 is: 38,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,081.36 : 58,635 = 25,985.28 : x
  2. Step 2: Convert to fraction form
    39,081.36/58,635 = 25,985.28/x
  3. Step 3: Cross multiply
    39,081.36x = 58,635 × 25,985.28
  4. Step 4: Simplify right side
    39,081.36x = 1,523,646,892.80
  5. Step 5: Solve for x
    x = 1,523,646,892.80/39,081.36
  6. Step 6: Final answer
    x = 38,986.54

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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.