Home / 27,438.57-37,864.45-16,107.88

Finding the Fourth Proportional to 27,438.57, 37,864.45 and 16,107.88

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Solution

The fourth proportional to 27,438.57, 37,864.45 and 16,107.88 is: 22,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.57 : 37,864.45 = 16,107.88 : x
  2. Step 2: Convert to fraction form
    27,438.57/37,864.45 = 16,107.88/x
  3. Step 3: Cross multiply
    27,438.57x = 37,864.45 × 16,107.88
  4. Step 4: Simplify right side
    27,438.57x = 609,916,016.87
  5. Step 5: Solve for x
    x = 609,916,016.87/27,438.57
  6. Step 6: Final answer
    x = 22,228.42

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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.