Home / 27,877.18-38,453.01-16,538.65

Finding the Fourth Proportional to 27,877.18, 38,453.01 and 16,538.65

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Solution

The fourth proportional to 27,877.18, 38,453.01 and 16,538.65 is: 22,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.18 : 38,453.01 = 16,538.65 : x
  2. Step 2: Convert to fraction form
    27,877.18/38,453.01 = 16,538.65/x
  3. Step 3: Cross multiply
    27,877.18x = 38,453.01 × 16,538.65
  4. Step 4: Simplify right side
    27,877.18x = 635,960,736.36
  5. Step 5: Solve for x
    x = 635,960,736.36/27,877.18
  6. Step 6: Final answer
    x = 22,812.95

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1.5x scale

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.