Home / 20,404.03-28,158.07-11,452.22

Finding the Fourth Proportional to 20,404.03, 28,158.07 and 11,452.22

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Solution

The fourth proportional to 20,404.03, 28,158.07 and 11,452.22 is: 15,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,404.03 : 28,158.07 = 11,452.22 : x
  2. Step 2: Convert to fraction form
    20,404.03/28,158.07 = 11,452.22/x
  3. Step 3: Cross multiply
    20,404.03x = 28,158.07 × 11,452.22
  4. Step 4: Simplify right side
    20,404.03x = 322,472,412.42
  5. Step 5: Solve for x
    x = 322,472,412.42/20,404.03
  6. Step 6: Final answer
    x = 15,804.35

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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.