Home / 36,690.63-55,028.25-10,388.31

Finding the Fourth Proportional to 36,690.63, 55,028.25 and 10,388.31

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Solution

The fourth proportional to 36,690.63, 55,028.25 and 10,388.31 is: 15,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.63 : 55,028.25 = 10,388.31 : x
  2. Step 2: Convert to fraction form
    36,690.63/55,028.25 = 10,388.31/x
  3. Step 3: Cross multiply
    36,690.63x = 55,028.25 × 10,388.31
  4. Step 4: Simplify right side
    36,690.63x = 571,650,519.76
  5. Step 5: Solve for x
    x = 571,650,519.76/36,690.63
  6. Step 6: Final answer
    x = 15,580.29

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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.