Home / 27,823.14-38,397.74-15,247.88

Finding the Fourth Proportional to 27,823.14, 38,397.74 and 15,247.88

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Solution

The fourth proportional to 27,823.14, 38,397.74 and 15,247.88 is: 21,043.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.14 : 38,397.74 = 15,247.88 : x
  2. Step 2: Convert to fraction form
    27,823.14/38,397.74 = 15,247.88/x
  3. Step 3: Cross multiply
    27,823.14x = 38,397.74 × 15,247.88
  4. Step 4: Simplify right side
    27,823.14x = 585,484,131.79
  5. Step 5: Solve for x
    x = 585,484,131.79/27,823.14
  6. Step 6: Final answer
    x = 21,043.06

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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.