Home / 28,947.52-43,395.68-12,522.56

Finding the Fourth Proportional to 28,947.52, 43,395.68 and 12,522.56

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Solution

The fourth proportional to 28,947.52, 43,395.68 and 12,522.56 is: 18,772.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.52 : 43,395.68 = 12,522.56 : x
  2. Step 2: Convert to fraction form
    28,947.52/43,395.68 = 12,522.56/x
  3. Step 3: Cross multiply
    28,947.52x = 43,395.68 × 12,522.56
  4. Step 4: Simplify right side
    28,947.52x = 543,425,006.54
  5. Step 5: Solve for x
    x = 543,425,006.54/28,947.52
  6. Step 6: Final answer
    x = 18,772.77

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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.