Home / 22,741.56-31,347-15,172.92

Finding the Fourth Proportional to 22,741.56, 31,347 and 15,172.92

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Solution

The fourth proportional to 22,741.56, 31,347 and 15,172.92 is: 20,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,741.56 : 31,347 = 15,172.92 : x
  2. Step 2: Convert to fraction form
    22,741.56/31,347 = 15,172.92/x
  3. Step 3: Cross multiply
    22,741.56x = 31,347 × 15,172.92
  4. Step 4: Simplify right side
    22,741.56x = 475,625,523.24
  5. Step 5: Solve for x
    x = 475,625,523.24/22,741.56
  6. Step 6: Final answer
    x = 20,914.38

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Double scale
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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.