Home / 25,976.80-38,970.98-12,118.24

Finding the Fourth Proportional to 25,976.80, 38,970.98 and 12,118.24

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Solution

The fourth proportional to 25,976.80, 38,970.98 and 12,118.24 is: 18,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,976.80 : 38,970.98 = 12,118.24 : x
  2. Step 2: Convert to fraction form
    25,976.80/38,970.98 = 12,118.24/x
  3. Step 3: Cross multiply
    25,976.80x = 38,970.98 × 12,118.24
  4. Step 4: Simplify right side
    25,976.80x = 472,259,688.68
  5. Step 5: Solve for x
    x = 472,259,688.68/25,976.80
  6. Step 6: Final answer
    x = 18,180.06

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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.