Home / 28,677.26-43,015.91-8,955.90

Finding the Fourth Proportional to 28,677.26, 43,015.91 and 8,955.90

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Solution

The fourth proportional to 28,677.26, 43,015.91 and 8,955.90 is: 13,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.26 : 43,015.91 = 8,955.90 : x
  2. Step 2: Convert to fraction form
    28,677.26/43,015.91 = 8,955.90/x
  3. Step 3: Cross multiply
    28,677.26x = 43,015.91 × 8,955.90
  4. Step 4: Simplify right side
    28,677.26x = 385,246,143.59
  5. Step 5: Solve for x
    x = 385,246,143.59/28,677.26
  6. Step 6: Final answer
    x = 13,433.85

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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.