Home / 28,746.87-43,118.50-10,731.58

Finding the Fourth Proportional to 28,746.87, 43,118.50 and 10,731.58

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Solution

The fourth proportional to 28,746.87, 43,118.50 and 10,731.58 is: 16,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.87 : 43,118.50 = 10,731.58 : x
  2. Step 2: Convert to fraction form
    28,746.87/43,118.50 = 10,731.58/x
  3. Step 3: Cross multiply
    28,746.87x = 43,118.50 × 10,731.58
  4. Step 4: Simplify right side
    28,746.87x = 462,729,578.57
  5. Step 5: Solve for x
    x = 462,729,578.57/28,746.87
  6. Step 6: Final answer
    x = 16,096.70

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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.