Home / 21,813.39-32,728.34-14,858.99

Finding the Fourth Proportional to 21,813.39, 32,728.34 and 14,858.99

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Solution

The fourth proportional to 21,813.39, 32,728.34 and 14,858.99 is: 22,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,813.39 : 32,728.34 = 14,858.99 : x
  2. Step 2: Convert to fraction form
    21,813.39/32,728.34 = 14,858.99/x
  3. Step 3: Cross multiply
    21,813.39x = 32,728.34 × 14,858.99
  4. Step 4: Simplify right side
    21,813.39x = 486,310,236.22
  5. Step 5: Solve for x
    x = 486,310,236.22/21,813.39
  6. Step 6: Final answer
    x = 22,294.12

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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.