Home / 36,689.87-55,023.29-15,629.69

Finding the Fourth Proportional to 36,689.87, 55,023.29 and 15,629.69

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Solution

The fourth proportional to 36,689.87, 55,023.29 and 15,629.69 is: 23,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,689.87 : 55,023.29 = 15,629.69 : x
  2. Step 2: Convert to fraction form
    36,689.87/55,023.29 = 15,629.69/x
  3. Step 3: Cross multiply
    36,689.87x = 55,023.29 × 15,629.69
  4. Step 4: Simplify right side
    36,689.87x = 859,997,083.50
  5. Step 5: Solve for x
    x = 859,997,083.50/36,689.87
  6. Step 6: Final answer
    x = 23,439.63

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1.5x scale

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.