Home / 25,981.56-38,976.44-11,955.37

Finding the Fourth Proportional to 25,981.56, 38,976.44 and 11,955.37

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Solution

The fourth proportional to 25,981.56, 38,976.44 and 11,955.37 is: 17,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.56 : 38,976.44 = 11,955.37 : x
  2. Step 2: Convert to fraction form
    25,981.56/38,976.44 = 11,955.37/x
  3. Step 3: Cross multiply
    25,981.56x = 38,976.44 × 11,955.37
  4. Step 4: Simplify right side
    25,981.56x = 465,977,854.22
  5. Step 5: Solve for x
    x = 465,977,854.22/25,981.56
  6. Step 6: Final answer
    x = 17,934.95

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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.