Home / 27,805.12-38,371.09-15,058.41

Finding the Fourth Proportional to 27,805.12, 38,371.09 and 15,058.41

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Solution

The fourth proportional to 27,805.12, 38,371.09 and 15,058.41 is: 20,780.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.12 : 38,371.09 = 15,058.41 : x
  2. Step 2: Convert to fraction form
    27,805.12/38,371.09 = 15,058.41/x
  3. Step 3: Cross multiply
    27,805.12x = 38,371.09 × 15,058.41
  4. Step 4: Simplify right side
    27,805.12x = 577,807,605.37
  5. Step 5: Solve for x
    x = 577,807,605.37/27,805.12
  6. Step 6: Final answer
    x = 20,780.62

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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.