Home / 23,709.20-35,563.80-21,808.40

Finding the Fourth Proportional to 23,709.20, 35,563.80 and 21,808.40

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Solution

The fourth proportional to 23,709.20, 35,563.80 and 21,808.40 is: 32,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,709.20 : 35,563.80 = 21,808.40 : x
  2. Step 2: Convert to fraction form
    23,709.20/35,563.80 = 21,808.40/x
  3. Step 3: Cross multiply
    23,709.20x = 35,563.80 × 21,808.40
  4. Step 4: Simplify right side
    23,709.20x = 775,589,575.92
  5. Step 5: Solve for x
    x = 775,589,575.92/23,709.20
  6. Step 6: Final answer
    x = 32,712.60

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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.