Home / 28,136.82-38,810.52-18,049.29

Finding the Fourth Proportional to 28,136.82, 38,810.52 and 18,049.29

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Solution

The fourth proportional to 28,136.82, 38,810.52 and 18,049.29 is: 24,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136.82 : 38,810.52 = 18,049.29 : x
  2. Step 2: Convert to fraction form
    28,136.82/38,810.52 = 18,049.29/x
  3. Step 3: Cross multiply
    28,136.82x = 38,810.52 × 18,049.29
  4. Step 4: Simplify right side
    28,136.82x = 700,502,330.53
  5. Step 5: Solve for x
    x = 700,502,330.53/28,136.82
  6. Step 6: Final answer
    x = 24,896.29

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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.