Home / 27,795.18-38,331.42-25,731.03

Finding the Fourth Proportional to 27,795.18, 38,331.42 and 25,731.03

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Solution

The fourth proportional to 27,795.18, 38,331.42 and 25,731.03 is: 35,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,795.18 : 38,331.42 = 25,731.03 : x
  2. Step 2: Convert to fraction form
    27,795.18/38,331.42 = 25,731.03/x
  3. Step 3: Cross multiply
    27,795.18x = 38,331.42 × 25,731.03
  4. Step 4: Simplify right side
    27,795.18x = 986,306,917.96
  5. Step 5: Solve for x
    x = 986,306,917.96/27,795.18
  6. Step 6: Final answer
    x = 35,484.82

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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.