Home / 21,926.90-32,914.65-13,616.30

Finding the Fourth Proportional to 21,926.90, 32,914.65 and 13,616.30

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Solution

The fourth proportional to 21,926.90, 32,914.65 and 13,616.30 is: 20,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,926.90 : 32,914.65 = 13,616.30 : x
  2. Step 2: Convert to fraction form
    21,926.90/32,914.65 = 13,616.30/x
  3. Step 3: Cross multiply
    21,926.90x = 32,914.65 × 13,616.30
  4. Step 4: Simplify right side
    21,926.90x = 448,175,748.80
  5. Step 5: Solve for x
    x = 448,175,748.80/21,926.90
  6. Step 6: Final answer
    x = 20,439.54

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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.