Home / 20,523.62-28,309.10-14,150.48

Finding the Fourth Proportional to 20,523.62, 28,309.10 and 14,150.48

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Solution

The fourth proportional to 20,523.62, 28,309.10 and 14,150.48 is: 19,518.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.62 : 28,309.10 = 14,150.48 : x
  2. Step 2: Convert to fraction form
    20,523.62/28,309.10 = 14,150.48/x
  3. Step 3: Cross multiply
    20,523.62x = 28,309.10 × 14,150.48
  4. Step 4: Simplify right side
    20,523.62x = 400,587,211.82
  5. Step 5: Solve for x
    x = 400,587,211.82/20,523.62
  6. Step 6: Final answer
    x = 19,518.36

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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.