Home / 38,465.09-57,723.41-13,505.22

Finding the Fourth Proportional to 38,465.09, 57,723.41 and 13,505.22

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Solution

The fourth proportional to 38,465.09, 57,723.41 and 13,505.22 is: 20,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,465.09 : 57,723.41 = 13,505.22 : x
  2. Step 2: Convert to fraction form
    38,465.09/57,723.41 = 13,505.22/x
  3. Step 3: Cross multiply
    38,465.09x = 57,723.41 × 13,505.22
  4. Step 4: Simplify right side
    38,465.09x = 779,567,265.81
  5. Step 5: Solve for x
    x = 779,567,265.81/38,465.09
  6. Step 6: Final answer
    x = 20,266.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.