Home / 22,028.56-30,399.45-13,077.86

Finding the Fourth Proportional to 22,028.56, 30,399.45 and 13,077.86

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Solution

The fourth proportional to 22,028.56, 30,399.45 and 13,077.86 is: 18,047.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,028.56 : 30,399.45 = 13,077.86 : x
  2. Step 2: Convert to fraction form
    22,028.56/30,399.45 = 13,077.86/x
  3. Step 3: Cross multiply
    22,028.56x = 30,399.45 × 13,077.86
  4. Step 4: Simplify right side
    22,028.56x = 397,559,623.70
  5. Step 5: Solve for x
    x = 397,559,623.70/22,028.56
  6. Step 6: Final answer
    x = 18,047.47

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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.