Home / 22,287.69-30,739.30-18,941.58

Finding the Fourth Proportional to 22,287.69, 30,739.30 and 18,941.58

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Solution

The fourth proportional to 22,287.69, 30,739.30 and 18,941.58 is: 26,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.69 : 30,739.30 = 18,941.58 : x
  2. Step 2: Convert to fraction form
    22,287.69/30,739.30 = 18,941.58/x
  3. Step 3: Cross multiply
    22,287.69x = 30,739.30 × 18,941.58
  4. Step 4: Simplify right side
    22,287.69x = 582,250,862.74
  5. Step 5: Solve for x
    x = 582,250,862.74/22,287.69
  6. Step 6: Final answer
    x = 26,124.33

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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.