Home / 25,639.66-38,430.06-11,759.50

Finding the Fourth Proportional to 25,639.66, 38,430.06 and 11,759.50

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Solution

The fourth proportional to 25,639.66, 38,430.06 and 11,759.50 is: 17,625.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,639.66 : 38,430.06 = 11,759.50 : x
  2. Step 2: Convert to fraction form
    25,639.66/38,430.06 = 11,759.50/x
  3. Step 3: Cross multiply
    25,639.66x = 38,430.06 × 11,759.50
  4. Step 4: Simplify right side
    25,639.66x = 451,918,290.57
  5. Step 5: Solve for x
    x = 451,918,290.57/25,639.66
  6. Step 6: Final answer
    x = 17,625.75

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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.