Home / 25,625.70-38,438.55-11,580.30

Finding the Fourth Proportional to 25,625.70, 38,438.55 and 11,580.30

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Solution

The fourth proportional to 25,625.70, 38,438.55 and 11,580.30 is: 17,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.70 : 38,438.55 = 11,580.30 : x
  2. Step 2: Convert to fraction form
    25,625.70/38,438.55 = 11,580.30/x
  3. Step 3: Cross multiply
    25,625.70x = 38,438.55 × 11,580.30
  4. Step 4: Simplify right side
    25,625.70x = 445,129,940.57
  5. Step 5: Solve for x
    x = 445,129,940.57/25,625.70
  6. Step 6: Final answer
    x = 17,370.45

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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.