Home / 27,318.71-37,697.05-20,152.52

Finding the Fourth Proportional to 27,318.71, 37,697.05 and 20,152.52

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Solution

The fourth proportional to 27,318.71, 37,697.05 and 20,152.52 is: 27,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.71 : 37,697.05 = 20,152.52 : x
  2. Step 2: Convert to fraction form
    27,318.71/37,697.05 = 20,152.52/x
  3. Step 3: Cross multiply
    27,318.71x = 37,697.05 × 20,152.52
  4. Step 4: Simplify right side
    27,318.71x = 759,690,524.80
  5. Step 5: Solve for x
    x = 759,690,524.80/27,318.71
  6. Step 6: Final answer
    x = 27,808.44

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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.