Home / 21,189.33-29,217.35-17,348.99

Finding the Fourth Proportional to 21,189.33, 29,217.35 and 17,348.99

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Solution

The fourth proportional to 21,189.33, 29,217.35 and 17,348.99 is: 23,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,189.33 : 29,217.35 = 17,348.99 : x
  2. Step 2: Convert to fraction form
    21,189.33/29,217.35 = 17,348.99/x
  3. Step 3: Cross multiply
    21,189.33x = 29,217.35 × 17,348.99
  4. Step 4: Simplify right side
    21,189.33x = 506,891,280.14
  5. Step 5: Solve for x
    x = 506,891,280.14/21,189.33
  6. Step 6: Final answer
    x = 23,922.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.