Home / 28,097.64-38,757.60-18,022.68

Finding the Fourth Proportional to 28,097.64, 38,757.60 and 18,022.68

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Solution

The fourth proportional to 28,097.64, 38,757.60 and 18,022.68 is: 24,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.64 : 38,757.60 = 18,022.68 : x
  2. Step 2: Convert to fraction form
    28,097.64/38,757.60 = 18,022.68/x
  3. Step 3: Cross multiply
    28,097.64x = 38,757.60 × 18,022.68
  4. Step 4: Simplify right side
    28,097.64x = 698,515,822.37
  5. Step 5: Solve for x
    x = 698,515,822.37/28,097.64
  6. Step 6: Final answer
    x = 24,860.30

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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.