Home / 27,578.33-38,058.15-15,003.08

Finding the Fourth Proportional to 27,578.33, 38,058.15 and 15,003.08

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Solution

The fourth proportional to 27,578.33, 38,058.15 and 15,003.08 is: 20,704.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.33 : 38,058.15 = 15,003.08 : x
  2. Step 2: Convert to fraction form
    27,578.33/38,058.15 = 15,003.08/x
  3. Step 3: Cross multiply
    27,578.33x = 38,058.15 × 15,003.08
  4. Step 4: Simplify right side
    27,578.33x = 570,989,469.10
  5. Step 5: Solve for x
    x = 570,989,469.10/27,578.33
  6. Step 6: Final answer
    x = 20,704.28

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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.