Home / 27,700.64-38,221.82-15,599.24

Finding the Fourth Proportional to 27,700.64, 38,221.82 and 15,599.24

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Solution

The fourth proportional to 27,700.64, 38,221.82 and 15,599.24 is: 21,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,700.64 : 38,221.82 = 15,599.24 : x
  2. Step 2: Convert to fraction form
    27,700.64/38,221.82 = 15,599.24/x
  3. Step 3: Cross multiply
    27,700.64x = 38,221.82 × 15,599.24
  4. Step 4: Simplify right side
    27,700.64x = 596,231,074.31
  5. Step 5: Solve for x
    x = 596,231,074.31/27,700.64
  6. Step 6: Final answer
    x = 21,524.09

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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.