Home / 20,291.66-30,391.32-14,023.28

Finding the Fourth Proportional to 20,291.66, 30,391.32 and 14,023.28

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Solution

The fourth proportional to 20,291.66, 30,391.32 and 14,023.28 is: 21,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291.66 : 30,391.32 = 14,023.28 : x
  2. Step 2: Convert to fraction form
    20,291.66/30,391.32 = 14,023.28/x
  3. Step 3: Cross multiply
    20,291.66x = 30,391.32 × 14,023.28
  4. Step 4: Simplify right side
    20,291.66x = 426,185,989.93
  5. Step 5: Solve for x
    x = 426,185,989.93/20,291.66
  6. Step 6: Final answer
    x = 21,003.01

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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.