Home / 28,737.45-43,095.42-10,012.68

Finding the Fourth Proportional to 28,737.45, 43,095.42 and 10,012.68

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Solution

The fourth proportional to 28,737.45, 43,095.42 and 10,012.68 is: 15,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.45 : 43,095.42 = 10,012.68 : x
  2. Step 2: Convert to fraction form
    28,737.45/43,095.42 = 10,012.68/x
  3. Step 3: Cross multiply
    28,737.45x = 43,095.42 × 10,012.68
  4. Step 4: Simplify right side
    28,737.45x = 431,500,649.93
  5. Step 5: Solve for x
    x = 431,500,649.93/28,737.45
  6. Step 6: Final answer
    x = 15,015.27

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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.