Home / 21,817.77-32,664.96-13,900.83

Finding the Fourth Proportional to 21,817.77, 32,664.96 and 13,900.83

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Solution

The fourth proportional to 21,817.77, 32,664.96 and 13,900.83 is: 20,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.77 : 32,664.96 = 13,900.83 : x
  2. Step 2: Convert to fraction form
    21,817.77/32,664.96 = 13,900.83/x
  3. Step 3: Cross multiply
    21,817.77x = 32,664.96 × 13,900.83
  4. Step 4: Simplify right side
    21,817.77x = 454,070,055.92
  5. Step 5: Solve for x
    x = 454,070,055.92/21,817.77
  6. Step 6: Final answer
    x = 20,811.94

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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.