Home / 28,025.80-38,638.41-23,227.75

Finding the Fourth Proportional to 28,025.80, 38,638.41 and 23,227.75

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Solution

The fourth proportional to 28,025.80, 38,638.41 and 23,227.75 is: 32,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.80 : 38,638.41 = 23,227.75 : x
  2. Step 2: Convert to fraction form
    28,025.80/38,638.41 = 23,227.75/x
  3. Step 3: Cross multiply
    28,025.80x = 38,638.41 × 23,227.75
  4. Step 4: Simplify right side
    28,025.80x = 897,483,327.88
  5. Step 5: Solve for x
    x = 897,483,327.88/28,025.80
  6. Step 6: Final answer
    x = 32,023.47

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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.