Home / 21,785.76-32,635.83-14,367.60

Finding the Fourth Proportional to 21,785.76, 32,635.83 and 14,367.60

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Solution

The fourth proportional to 21,785.76, 32,635.83 and 14,367.60 is: 21,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,785.76 : 32,635.83 = 14,367.60 : x
  2. Step 2: Convert to fraction form
    21,785.76/32,635.83 = 14,367.60/x
  3. Step 3: Cross multiply
    21,785.76x = 32,635.83 × 14,367.60
  4. Step 4: Simplify right side
    21,785.76x = 468,898,551.11
  5. Step 5: Solve for x
    x = 468,898,551.11/21,785.76
  6. Step 6: Final answer
    x = 21,523.17

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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.