Home / 21,839.71-32,735.85-14,340.13

Finding the Fourth Proportional to 21,839.71, 32,735.85 and 14,340.13

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Solution

The fourth proportional to 21,839.71, 32,735.85 and 14,340.13 is: 21,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,839.71 : 32,735.85 = 14,340.13 : x
  2. Step 2: Convert to fraction form
    21,839.71/32,735.85 = 14,340.13/x
  3. Step 3: Cross multiply
    21,839.71x = 32,735.85 × 14,340.13
  4. Step 4: Simplify right side
    21,839.71x = 469,436,344.66
  5. Step 5: Solve for x
    x = 469,436,344.66/21,839.71
  6. Step 6: Final answer
    x = 21,494.62

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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.