Home / 25,611.40-38,417.10-22,330.90

Finding the Fourth Proportional to 25,611.40, 38,417.10 and 22,330.90

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Solution

The fourth proportional to 25,611.40, 38,417.10 and 22,330.90 is: 33,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.40 : 38,417.10 = 22,330.90 : x
  2. Step 2: Convert to fraction form
    25,611.40/38,417.10 = 22,330.90/x
  3. Step 3: Cross multiply
    25,611.40x = 38,417.10 × 22,330.90
  4. Step 4: Simplify right side
    25,611.40x = 857,888,418.39
  5. Step 5: Solve for x
    x = 857,888,418.39/25,611.40
  6. Step 6: Final answer
    x = 33,496.35

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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.