Home / 28,861.26-39,851.09-22,136.24

Finding the Fourth Proportional to 28,861.26, 39,851.09 and 22,136.24

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Solution

The fourth proportional to 28,861.26, 39,851.09 and 22,136.24 is: 30,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.26 : 39,851.09 = 22,136.24 : x
  2. Step 2: Convert to fraction form
    28,861.26/39,851.09 = 22,136.24/x
  3. Step 3: Cross multiply
    28,861.26x = 39,851.09 × 22,136.24
  4. Step 4: Simplify right side
    28,861.26x = 882,152,982.56
  5. Step 5: Solve for x
    x = 882,152,982.56/28,861.26
  6. Step 6: Final answer
    x = 30,565.30

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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.