Home / 28,493.03-39,321.78-17,165.99

Finding the Fourth Proportional to 28,493.03, 39,321.78 and 17,165.99

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Solution

The fourth proportional to 28,493.03, 39,321.78 and 17,165.99 is: 23,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,493.03 : 39,321.78 = 17,165.99 : x
  2. Step 2: Convert to fraction form
    28,493.03/39,321.78 = 17,165.99/x
  3. Step 3: Cross multiply
    28,493.03x = 39,321.78 × 17,165.99
  4. Step 4: Simplify right side
    28,493.03x = 674,997,282.26
  5. Step 5: Solve for x
    x = 674,997,282.26/28,493.03
  6. Step 6: Final answer
    x = 23,689.91

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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.