Home / 28,122.96-38,798.01-18,049.26

Finding the Fourth Proportional to 28,122.96, 38,798.01 and 18,049.26

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Solution

The fourth proportional to 28,122.96, 38,798.01 and 18,049.26 is: 24,900.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.96 : 38,798.01 = 18,049.26 : x
  2. Step 2: Convert to fraction form
    28,122.96/38,798.01 = 18,049.26/x
  3. Step 3: Cross multiply
    28,122.96x = 38,798.01 × 18,049.26
  4. Step 4: Simplify right side
    28,122.96x = 700,275,369.97
  5. Step 5: Solve for x
    x = 700,275,369.97/28,122.96
  6. Step 6: Final answer
    x = 24,900.49

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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.