Home / 25,201.45-34,777.73-13,870.70

Finding the Fourth Proportional to 25,201.45, 34,777.73 and 13,870.70

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Solution

The fourth proportional to 25,201.45, 34,777.73 and 13,870.70 is: 19,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,201.45 : 34,777.73 = 13,870.70 : x
  2. Step 2: Convert to fraction form
    25,201.45/34,777.73 = 13,870.70/x
  3. Step 3: Cross multiply
    25,201.45x = 34,777.73 × 13,870.70
  4. Step 4: Simplify right side
    25,201.45x = 482,391,372.69
  5. Step 5: Solve for x
    x = 482,391,372.69/25,201.45
  6. Step 6: Final answer
    x = 19,141.42

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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.