Home / 28,737.84-43,108.38-9,015.96

Finding the Fourth Proportional to 28,737.84, 43,108.38 and 9,015.96

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Solution

The fourth proportional to 28,737.84, 43,108.38 and 9,015.96 is: 13,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.84 : 43,108.38 = 9,015.96 : x
  2. Step 2: Convert to fraction form
    28,737.84/43,108.38 = 9,015.96/x
  3. Step 3: Cross multiply
    28,737.84x = 43,108.38 × 9,015.96
  4. Step 4: Simplify right side
    28,737.84x = 388,663,429.74
  5. Step 5: Solve for x
    x = 388,663,429.74/28,737.84
  6. Step 6: Final answer
    x = 13,524.45

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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.