Home / 25,611.84-38,422.80-10,820.70

Finding the Fourth Proportional to 25,611.84, 38,422.80 and 10,820.70

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Solution

The fourth proportional to 25,611.84, 38,422.80 and 10,820.70 is: 16,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.84 : 38,422.80 = 10,820.70 : x
  2. Step 2: Convert to fraction form
    25,611.84/38,422.80 = 10,820.70/x
  3. Step 3: Cross multiply
    25,611.84x = 38,422.80 × 10,820.70
  4. Step 4: Simplify right side
    25,611.84x = 415,761,591.96
  5. Step 5: Solve for x
    x = 415,761,591.96/25,611.84
  6. Step 6: Final answer
    x = 16,233.18

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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.