Home / 28,535.70-42,803.55-23,286.90

Finding the Fourth Proportional to 28,535.70, 42,803.55 and 23,286.90

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Solution

The fourth proportional to 28,535.70, 42,803.55 and 23,286.90 is: 34,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,535.70 : 42,803.55 = 23,286.90 : x
  2. Step 2: Convert to fraction form
    28,535.70/42,803.55 = 23,286.90/x
  3. Step 3: Cross multiply
    28,535.70x = 42,803.55 × 23,286.90
  4. Step 4: Simplify right side
    28,535.70x = 996,761,988.50
  5. Step 5: Solve for x
    x = 996,761,988.50/28,535.70
  6. Step 6: Final answer
    x = 34,930.35

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Similar ratio
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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.