Home / 20,479.44-28,273.68-19,298.48

Finding the Fourth Proportional to 20,479.44, 28,273.68 and 19,298.48

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Solution

The fourth proportional to 20,479.44, 28,273.68 and 19,298.48 is: 26,643.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,479.44 : 28,273.68 = 19,298.48 : x
  2. Step 2: Convert to fraction form
    20,479.44/28,273.68 = 19,298.48/x
  3. Step 3: Cross multiply
    20,479.44x = 28,273.68 × 19,298.48
  4. Step 4: Simplify right side
    20,479.44x = 545,639,048.01
  5. Step 5: Solve for x
    x = 545,639,048.01/20,479.44
  6. Step 6: Final answer
    x = 26,643.26

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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.