Home / 28,870.60-43,338.30-22,325.80

Finding the Fourth Proportional to 28,870.60, 43,338.30 and 22,325.80

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Solution

The fourth proportional to 28,870.60, 43,338.30 and 22,325.80 is: 33,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.60 : 43,338.30 = 22,325.80 : x
  2. Step 2: Convert to fraction form
    28,870.60/43,338.30 = 22,325.80/x
  3. Step 3: Cross multiply
    28,870.60x = 43,338.30 × 22,325.80
  4. Step 4: Simplify right side
    28,870.60x = 967,562,218.14
  5. Step 5: Solve for x
    x = 967,562,218.14/28,870.60
  6. Step 6: Final answer
    x = 33,513.76

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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.