Home / 28,507.26-39,341.22-15,932

Finding the Fourth Proportional to 28,507.26, 39,341.22 and 15,932

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Solution

The fourth proportional to 28,507.26, 39,341.22 and 15,932 is: 21,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.26 : 39,341.22 = 15,932 : x
  2. Step 2: Convert to fraction form
    28,507.26/39,341.22 = 15,932/x
  3. Step 3: Cross multiply
    28,507.26x = 39,341.22 × 15,932
  4. Step 4: Simplify right side
    28,507.26x = 626,784,317.04
  5. Step 5: Solve for x
    x = 626,784,317.04/28,507.26
  6. Step 6: Final answer
    x = 21,986.83

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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.