Home / 28,873.64-39,830.46-18,244.82

Finding the Fourth Proportional to 28,873.64, 39,830.46 and 18,244.82

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Solution

The fourth proportional to 28,873.64, 39,830.46 and 18,244.82 is: 25,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,873.64 : 39,830.46 = 18,244.82 : x
  2. Step 2: Convert to fraction form
    28,873.64/39,830.46 = 18,244.82/x
  3. Step 3: Cross multiply
    28,873.64x = 39,830.46 × 18,244.82
  4. Step 4: Simplify right side
    28,873.64x = 726,699,573.22
  5. Step 5: Solve for x
    x = 726,699,573.22/28,873.64
  6. Step 6: Final answer
    x = 25,168.27

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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.