Home / 20,293.44-28,022.76-12,752.84

Finding the Fourth Proportional to 20,293.44, 28,022.76 and 12,752.84

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Solution

The fourth proportional to 20,293.44, 28,022.76 and 12,752.84 is: 17,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.44 : 28,022.76 = 12,752.84 : x
  2. Step 2: Convert to fraction form
    20,293.44/28,022.76 = 12,752.84/x
  3. Step 3: Cross multiply
    20,293.44x = 28,022.76 × 12,752.84
  4. Step 4: Simplify right side
    20,293.44x = 357,369,634.52
  5. Step 5: Solve for x
    x = 357,369,634.52/20,293.44
  6. Step 6: Final answer
    x = 17,610.11

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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.