Home / 28,938.22-39,937.72-17,608.54

Finding the Fourth Proportional to 28,938.22, 39,937.72 and 17,608.54

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Solution

The fourth proportional to 28,938.22, 39,937.72 and 17,608.54 is: 24,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938.22 : 39,937.72 = 17,608.54 : x
  2. Step 2: Convert to fraction form
    28,938.22/39,937.72 = 17,608.54/x
  3. Step 3: Cross multiply
    28,938.22x = 39,937.72 × 17,608.54
  4. Step 4: Simplify right side
    28,938.22x = 703,244,940.13
  5. Step 5: Solve for x
    x = 703,244,940.13/28,938.22
  6. Step 6: Final answer
    x = 24,301.60

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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.