Home / 19,775.14-29,625.42-15,371.20

Finding the Fourth Proportional to 19,775.14, 29,625.42 and 15,371.20

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Solution

The fourth proportional to 19,775.14, 29,625.42 and 15,371.20 is: 23,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.14 : 29,625.42 = 15,371.20 : x
  2. Step 2: Convert to fraction form
    19,775.14/29,625.42 = 15,371.20/x
  3. Step 3: Cross multiply
    19,775.14x = 29,625.42 × 15,371.20
  4. Step 4: Simplify right side
    19,775.14x = 455,378,255.90
  5. Step 5: Solve for x
    x = 455,378,255.90/19,775.14
  6. Step 6: Final answer
    x = 23,027.81

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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.