Home / 28,717.62-39,632.49-16,144.26

Finding the Fourth Proportional to 28,717.62, 39,632.49 and 16,144.26

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Solution

The fourth proportional to 28,717.62, 39,632.49 and 16,144.26 is: 22,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.62 : 39,632.49 = 16,144.26 : x
  2. Step 2: Convert to fraction form
    28,717.62/39,632.49 = 16,144.26/x
  3. Step 3: Cross multiply
    28,717.62x = 39,632.49 × 16,144.26
  4. Step 4: Simplify right side
    28,717.62x = 639,837,223.01
  5. Step 5: Solve for x
    x = 639,837,223.01/28,717.62
  6. Step 6: Final answer
    x = 22,280.30

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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.