Home / 28,817.40-43,226.10-8,040.90

Finding the Fourth Proportional to 28,817.40, 43,226.10 and 8,040.90

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Solution

The fourth proportional to 28,817.40, 43,226.10 and 8,040.90 is: 12,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.40 : 43,226.10 = 8,040.90 : x
  2. Step 2: Convert to fraction form
    28,817.40/43,226.10 = 8,040.90/x
  3. Step 3: Cross multiply
    28,817.40x = 43,226.10 × 8,040.90
  4. Step 4: Simplify right side
    28,817.40x = 347,576,747.49
  5. Step 5: Solve for x
    x = 347,576,747.49/28,817.40
  6. Step 6: Final answer
    x = 12,061.35

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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.