Home / 27,818.84-38,389.74-15,244.04

Finding the Fourth Proportional to 27,818.84, 38,389.74 and 15,244.04

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Solution

The fourth proportional to 27,818.84, 38,389.74 and 15,244.04 is: 21,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,818.84 : 38,389.74 = 15,244.04 : x
  2. Step 2: Convert to fraction form
    27,818.84/38,389.74 = 15,244.04/x
  3. Step 3: Cross multiply
    27,818.84x = 38,389.74 × 15,244.04
  4. Step 4: Simplify right side
    27,818.84x = 585,214,732.15
  5. Step 5: Solve for x
    x = 585,214,732.15/27,818.84
  6. Step 6: Final answer
    x = 21,036.63

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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.