Home / 27,924.52-38,538.18-15,351.64

Finding the Fourth Proportional to 27,924.52, 38,538.18 and 15,351.64

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Solution

The fourth proportional to 27,924.52, 38,538.18 and 15,351.64 is: 21,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,924.52 : 38,538.18 = 15,351.64 : x
  2. Step 2: Convert to fraction form
    27,924.52/38,538.18 = 15,351.64/x
  3. Step 3: Cross multiply
    27,924.52x = 38,538.18 × 15,351.64
  4. Step 4: Simplify right side
    27,924.52x = 591,624,265.62
  5. Step 5: Solve for x
    x = 591,624,265.62/27,924.52
  6. Step 6: Final answer
    x = 21,186.55

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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.