Home / 27,805.29-38,371.32-15,058.59

Finding the Fourth Proportional to 27,805.29, 38,371.32 and 15,058.59

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Solution

The fourth proportional to 27,805.29, 38,371.32 and 15,058.59 is: 20,780.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.29 : 38,371.32 = 15,058.59 : x
  2. Step 2: Convert to fraction form
    27,805.29/38,371.32 = 15,058.59/x
  3. Step 3: Cross multiply
    27,805.29x = 38,371.32 × 15,058.59
  4. Step 4: Simplify right side
    27,805.29x = 577,817,975.64
  5. Step 5: Solve for x
    x = 577,817,975.64/27,805.29
  6. Step 6: Final answer
    x = 20,780.86

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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.