Home / 28,359.11-39,136.26-17,029.08

Finding the Fourth Proportional to 28,359.11, 39,136.26 and 17,029.08

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Solution

The fourth proportional to 28,359.11, 39,136.26 and 17,029.08 is: 23,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.11 : 39,136.26 = 17,029.08 : x
  2. Step 2: Convert to fraction form
    28,359.11/39,136.26 = 17,029.08/x
  3. Step 3: Cross multiply
    28,359.11x = 39,136.26 × 17,029.08
  4. Step 4: Simplify right side
    28,359.11x = 666,454,515.14
  5. Step 5: Solve for x
    x = 666,454,515.14/28,359.11
  6. Step 6: Final answer
    x = 23,500.54

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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.