Home / 21,136.55-29,102.05-17,943.23

Finding the Fourth Proportional to 21,136.55, 29,102.05 and 17,943.23

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Solution

The fourth proportional to 21,136.55, 29,102.05 and 17,943.23 is: 24,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136.55 : 29,102.05 = 17,943.23 : x
  2. Step 2: Convert to fraction form
    21,136.55/29,102.05 = 17,943.23/x
  3. Step 3: Cross multiply
    21,136.55x = 29,102.05 × 17,943.23
  4. Step 4: Simplify right side
    21,136.55x = 522,184,703.87
  5. Step 5: Solve for x
    x = 522,184,703.87/21,136.55
  6. Step 6: Final answer
    x = 24,705.30

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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.