Home / 27,540.29-38,005.50-15,605.90

Finding the Fourth Proportional to 27,540.29, 38,005.50 and 15,605.90

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Solution

The fourth proportional to 27,540.29, 38,005.50 and 15,605.90 is: 21,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,540.29 : 38,005.50 = 15,605.90 : x
  2. Step 2: Convert to fraction form
    27,540.29/38,005.50 = 15,605.90/x
  3. Step 3: Cross multiply
    27,540.29x = 38,005.50 × 15,605.90
  4. Step 4: Simplify right side
    27,540.29x = 593,110,032.45
  5. Step 5: Solve for x
    x = 593,110,032.45/27,540.29
  6. Step 6: Final answer
    x = 21,536.09

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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.