Home / 20,427.60-30,673.80-14,919.60

Finding the Fourth Proportional to 20,427.60, 30,673.80 and 14,919.60

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Solution

The fourth proportional to 20,427.60, 30,673.80 and 14,919.60 is: 22,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,427.60 : 30,673.80 = 14,919.60 : x
  2. Step 2: Convert to fraction form
    20,427.60/30,673.80 = 14,919.60/x
  3. Step 3: Cross multiply
    20,427.60x = 30,673.80 × 14,919.60
  4. Step 4: Simplify right side
    20,427.60x = 457,640,826.48
  5. Step 5: Solve for x
    x = 457,640,826.48/20,427.60
  6. Step 6: Final answer
    x = 22,403.06

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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.