Home / 28,734.36-39,658.88-17,984.23

Finding the Fourth Proportional to 28,734.36, 39,658.88 and 17,984.23

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Solution

The fourth proportional to 28,734.36, 39,658.88 and 17,984.23 is: 24,821.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.36 : 39,658.88 = 17,984.23 : x
  2. Step 2: Convert to fraction form
    28,734.36/39,658.88 = 17,984.23/x
  3. Step 3: Cross multiply
    28,734.36x = 39,658.88 × 17,984.23
  4. Step 4: Simplify right side
    28,734.36x = 713,234,131.25
  5. Step 5: Solve for x
    x = 713,234,131.25/28,734.36
  6. Step 6: Final answer
    x = 24,821.65

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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.