Home / 20,199.71-30,254.45-14,640.28

Finding the Fourth Proportional to 20,199.71, 30,254.45 and 14,640.28

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Solution

The fourth proportional to 20,199.71, 30,254.45 and 14,640.28 is: 21,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.71 : 30,254.45 = 14,640.28 : x
  2. Step 2: Convert to fraction form
    20,199.71/30,254.45 = 14,640.28/x
  3. Step 3: Cross multiply
    20,199.71x = 30,254.45 × 14,640.28
  4. Step 4: Simplify right side
    20,199.71x = 442,933,546.04
  5. Step 5: Solve for x
    x = 442,933,546.04/20,199.71
  6. Step 6: Final answer
    x = 21,927.72

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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.