Home / 27,578.64-38,058.33-15,003.39

Finding the Fourth Proportional to 27,578.64, 38,058.33 and 15,003.39

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Solution

The fourth proportional to 27,578.64, 38,058.33 and 15,003.39 is: 20,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.64 : 38,058.33 = 15,003.39 : x
  2. Step 2: Convert to fraction form
    27,578.64/38,058.33 = 15,003.39/x
  3. Step 3: Cross multiply
    27,578.64x = 38,058.33 × 15,003.39
  4. Step 4: Simplify right side
    27,578.64x = 571,003,967.74
  5. Step 5: Solve for x
    x = 571,003,967.74/27,578.64
  6. Step 6: Final answer
    x = 20,704.57

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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.