Home / 27,794.58-38,356.08-15,219.32

Finding the Fourth Proportional to 27,794.58, 38,356.08 and 15,219.32

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Solution

The fourth proportional to 27,794.58, 38,356.08 and 15,219.32 is: 21,002.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.58 : 38,356.08 = 15,219.32 : x
  2. Step 2: Convert to fraction form
    27,794.58/38,356.08 = 15,219.32/x
  3. Step 3: Cross multiply
    27,794.58x = 38,356.08 × 15,219.32
  4. Step 4: Simplify right side
    27,794.58x = 583,753,455.47
  5. Step 5: Solve for x
    x = 583,753,455.47/27,794.58
  6. Step 6: Final answer
    x = 21,002.42

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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.