Home / 19,518.75-29,278.07-15,082.87

Finding the Fourth Proportional to 19,518.75, 29,278.07 and 15,082.87

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Solution

The fourth proportional to 19,518.75, 29,278.07 and 15,082.87 is: 22,624.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.75 : 29,278.07 = 15,082.87 : x
  2. Step 2: Convert to fraction form
    19,518.75/29,278.07 = 15,082.87/x
  3. Step 3: Cross multiply
    19,518.75x = 29,278.07 × 15,082.87
  4. Step 4: Simplify right side
    19,518.75x = 441,597,323.66
  5. Step 5: Solve for x
    x = 441,597,323.66/19,518.75
  6. Step 6: Final answer
    x = 22,624.26

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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.