Home / 28,972.24-39,989.64-27,002.32

Finding the Fourth Proportional to 28,972.24, 39,989.64 and 27,002.32

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Solution

The fourth proportional to 28,972.24, 39,989.64 and 27,002.32 is: 37,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,972.24 : 39,989.64 = 27,002.32 : x
  2. Step 2: Convert to fraction form
    28,972.24/39,989.64 = 27,002.32/x
  3. Step 3: Cross multiply
    28,972.24x = 39,989.64 × 27,002.32
  4. Step 4: Simplify right side
    28,972.24x = 1,079,813,055.96
  5. Step 5: Solve for x
    x = 1,079,813,055.96/28,972.24
  6. Step 6: Final answer
    x = 37,270.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.