Home / 20,595.33-28,421.26-11,642.54

Finding the Fourth Proportional to 20,595.33, 28,421.26 and 11,642.54

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Solution

The fourth proportional to 20,595.33, 28,421.26 and 11,642.54 is: 16,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.33 : 28,421.26 = 11,642.54 : x
  2. Step 2: Convert to fraction form
    20,595.33/28,421.26 = 11,642.54/x
  3. Step 3: Cross multiply
    20,595.33x = 28,421.26 × 11,642.54
  4. Step 4: Simplify right side
    20,595.33x = 330,895,485.19
  5. Step 5: Solve for x
    x = 330,895,485.19/20,595.33
  6. Step 6: Final answer
    x = 16,066.53

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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.