Home / 20,464.14-28,172.26-19,523.72

Finding the Fourth Proportional to 20,464.14, 28,172.26 and 19,523.72

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Solution

The fourth proportional to 20,464.14, 28,172.26 and 19,523.72 is: 26,877.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464.14 : 28,172.26 = 19,523.72 : x
  2. Step 2: Convert to fraction form
    20,464.14/28,172.26 = 19,523.72/x
  3. Step 3: Cross multiply
    20,464.14x = 28,172.26 × 19,523.72
  4. Step 4: Simplify right side
    20,464.14x = 550,027,316.01
  5. Step 5: Solve for x
    x = 550,027,316.01/20,464.14
  6. Step 6: Final answer
    x = 26,877.62

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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.