Home / 27,742.29-38,274.99-15,797.16

Finding the Fourth Proportional to 27,742.29, 38,274.99 and 15,797.16

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Solution

The fourth proportional to 27,742.29, 38,274.99 and 15,797.16 is: 21,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,742.29 : 38,274.99 = 15,797.16 : x
  2. Step 2: Convert to fraction form
    27,742.29/38,274.99 = 15,797.16/x
  3. Step 3: Cross multiply
    27,742.29x = 38,274.99 × 15,797.16
  4. Step 4: Simplify right side
    27,742.29x = 604,636,141.03
  5. Step 5: Solve for x
    x = 604,636,141.03/27,742.29
  6. Step 6: Final answer
    x = 21,794.75

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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.