Home / 27,938.51-38,551.91-16,001.13

Finding the Fourth Proportional to 27,938.51, 38,551.91 and 16,001.13

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Solution

The fourth proportional to 27,938.51, 38,551.91 and 16,001.13 is: 22,079.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,938.51 : 38,551.91 = 16,001.13 : x
  2. Step 2: Convert to fraction form
    27,938.51/38,551.91 = 16,001.13/x
  3. Step 3: Cross multiply
    27,938.51x = 38,551.91 × 16,001.13
  4. Step 4: Simplify right side
    27,938.51x = 616,874,043.65
  5. Step 5: Solve for x
    x = 616,874,043.65/27,938.51
  6. Step 6: Final answer
    x = 22,079.71

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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.