Home / 27,926.37-38,540.21-15,991.29

Finding the Fourth Proportional to 27,926.37, 38,540.21 and 15,991.29

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Solution

The fourth proportional to 27,926.37, 38,540.21 and 15,991.29 is: 22,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,926.37 : 38,540.21 = 15,991.29 : x
  2. Step 2: Convert to fraction form
    27,926.37/38,540.21 = 15,991.29/x
  3. Step 3: Cross multiply
    27,926.37x = 38,540.21 × 15,991.29
  4. Step 4: Simplify right side
    27,926.37x = 616,307,594.81
  5. Step 5: Solve for x
    x = 616,307,594.81/27,926.37
  6. Step 6: Final answer
    x = 22,069.02

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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.