Home / 27,108.84-37,376.46-20,743.32

Finding the Fourth Proportional to 27,108.84, 37,376.46 and 20,743.32

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Solution

The fourth proportional to 27,108.84, 37,376.46 and 20,743.32 is: 28,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.84 : 37,376.46 = 20,743.32 : x
  2. Step 2: Convert to fraction form
    27,108.84/37,376.46 = 20,743.32/x
  3. Step 3: Cross multiply
    27,108.84x = 37,376.46 × 20,743.32
  4. Step 4: Simplify right side
    27,108.84x = 775,311,870.25
  5. Step 5: Solve for x
    x = 775,311,870.25/27,108.84
  6. Step 6: Final answer
    x = 28,599.96

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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.