Home / 20,226.40-27,917.76-14,259.84

Finding the Fourth Proportional to 20,226.40, 27,917.76 and 14,259.84

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Solution

The fourth proportional to 20,226.40, 27,917.76 and 14,259.84 is: 19,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.40 : 27,917.76 = 14,259.84 : x
  2. Step 2: Convert to fraction form
    20,226.40/27,917.76 = 14,259.84/x
  3. Step 3: Cross multiply
    20,226.40x = 27,917.76 × 14,259.84
  4. Step 4: Simplify right side
    20,226.40x = 398,102,790.76
  5. Step 5: Solve for x
    x = 398,102,790.76/20,226.40
  6. Step 6: Final answer
    x = 19,682.34

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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.