Home / 28,468.68-42,698.96-17,906.48

Finding the Fourth Proportional to 28,468.68, 42,698.96 and 17,906.48

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Solution

The fourth proportional to 28,468.68, 42,698.96 and 17,906.48 is: 26,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.68 : 42,698.96 = 17,906.48 : x
  2. Step 2: Convert to fraction form
    28,468.68/42,698.96 = 17,906.48/x
  3. Step 3: Cross multiply
    28,468.68x = 42,698.96 × 17,906.48
  4. Step 4: Simplify right side
    28,468.68x = 764,588,073.26
  5. Step 5: Solve for x
    x = 764,588,073.26/28,468.68
  6. Step 6: Final answer
    x = 26,857.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.