Home / 92,284.80-138,427.20-25,729.60

Finding the Fourth Proportional to 92,284.80, 138,427.20 and 25,729.60

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Solution

The fourth proportional to 92,284.80, 138,427.20 and 25,729.60 is: 38,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,284.80 : 138,427.20 = 25,729.60 : x
  2. Step 2: Convert to fraction form
    92,284.80/138,427.20 = 25,729.60/x
  3. Step 3: Cross multiply
    92,284.80x = 138,427.20 × 25,729.60
  4. Step 4: Simplify right side
    92,284.80x = 3,561,676,485.12
  5. Step 5: Solve for x
    x = 3,561,676,485.12/92,284.80
  6. Step 6: Final answer
    x = 38,594.40

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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.