Home / 25,122.87-34,670.13-13,944.87

Finding the Fourth Proportional to 25,122.87, 34,670.13 and 13,944.87

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Solution

The fourth proportional to 25,122.87, 34,670.13 and 13,944.87 is: 19,244.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122.87 : 34,670.13 = 13,944.87 : x
  2. Step 2: Convert to fraction form
    25,122.87/34,670.13 = 13,944.87/x
  3. Step 3: Cross multiply
    25,122.87x = 34,670.13 × 13,944.87
  4. Step 4: Simplify right side
    25,122.87x = 483,470,455.73
  5. Step 5: Solve for x
    x = 483,470,455.73/25,122.87
  6. Step 6: Final answer
    x = 19,244.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.