Home / 28,884.20-39,838.87-18,263.58

Finding the Fourth Proportional to 28,884.20, 39,838.87 and 18,263.58

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Solution

The fourth proportional to 28,884.20, 39,838.87 and 18,263.58 is: 25,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,884.20 : 39,838.87 = 18,263.58 : x
  2. Step 2: Convert to fraction form
    28,884.20/39,838.87 = 18,263.58/x
  3. Step 3: Cross multiply
    28,884.20x = 39,838.87 × 18,263.58
  4. Step 4: Simplify right side
    28,884.20x = 727,600,343.70
  5. Step 5: Solve for x
    x = 727,600,343.70/28,884.20
  6. Step 6: Final answer
    x = 25,190.26

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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.