Home / 28,145.54-38,846.06-18,086.56

Finding the Fourth Proportional to 28,145.54, 38,846.06 and 18,086.56

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Solution

The fourth proportional to 28,145.54, 38,846.06 and 18,086.56 is: 24,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,145.54 : 38,846.06 = 18,086.56 : x
  2. Step 2: Convert to fraction form
    28,145.54/38,846.06 = 18,086.56/x
  3. Step 3: Cross multiply
    28,145.54x = 38,846.06 × 18,086.56
  4. Step 4: Simplify right side
    28,145.54x = 702,591,445.94
  5. Step 5: Solve for x
    x = 702,591,445.94/28,145.54
  6. Step 6: Final answer
    x = 24,962.80

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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.