Home / 20,169.59-27,762.41-14,782.55

Finding the Fourth Proportional to 20,169.59, 27,762.41 and 14,782.55

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Solution

The fourth proportional to 20,169.59, 27,762.41 and 14,782.55 is: 20,347.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.59 : 27,762.41 = 14,782.55 : x
  2. Step 2: Convert to fraction form
    20,169.59/27,762.41 = 14,782.55/x
  3. Step 3: Cross multiply
    20,169.59x = 27,762.41 × 14,782.55
  4. Step 4: Simplify right side
    20,169.59x = 410,399,112.09
  5. Step 5: Solve for x
    x = 410,399,112.09/20,169.59
  6. Step 6: Final answer
    x = 20,347.42

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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.