Home / 18,427.68-25,435.68-17,487.04

Finding the Fourth Proportional to 18,427.68, 25,435.68 and 17,487.04

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Solution

The fourth proportional to 18,427.68, 25,435.68 and 17,487.04 is: 24,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.68 : 25,435.68 = 17,487.04 : x
  2. Step 2: Convert to fraction form
    18,427.68/25,435.68 = 17,487.04/x
  3. Step 3: Cross multiply
    18,427.68x = 25,435.68 × 17,487.04
  4. Step 4: Simplify right side
    18,427.68x = 444,794,753.59
  5. Step 5: Solve for x
    x = 444,794,753.59/18,427.68
  6. Step 6: Final answer
    x = 24,137.32

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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.