Home / 20,268.47-30,448.84-14,663.43

Finding the Fourth Proportional to 20,268.47, 30,448.84 and 14,663.43

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Solution

The fourth proportional to 20,268.47, 30,448.84 and 14,663.43 is: 22,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268.47 : 30,448.84 = 14,663.43 : x
  2. Step 2: Convert to fraction form
    20,268.47/30,448.84 = 14,663.43/x
  3. Step 3: Cross multiply
    20,268.47x = 30,448.84 × 14,663.43
  4. Step 4: Simplify right side
    20,268.47x = 446,484,433.92
  5. Step 5: Solve for x
    x = 446,484,433.92/20,268.47
  6. Step 6: Final answer
    x = 22,028.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.