Home / 21,790.40-32,624.22-13,873.46

Finding the Fourth Proportional to 21,790.40, 32,624.22 and 13,873.46

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Solution

The fourth proportional to 21,790.40, 32,624.22 and 13,873.46 is: 20,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790.40 : 32,624.22 = 13,873.46 : x
  2. Step 2: Convert to fraction form
    21,790.40/32,624.22 = 13,873.46/x
  3. Step 3: Cross multiply
    21,790.40x = 32,624.22 × 13,873.46
  4. Step 4: Simplify right side
    21,790.40x = 452,610,811.20
  5. Step 5: Solve for x
    x = 452,610,811.20/21,790.40
  6. Step 6: Final answer
    x = 20,771.11

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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.