Home / 25,530.64-35,249.64-18,817.04

Finding the Fourth Proportional to 25,530.64, 35,249.64 and 18,817.04

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Solution

The fourth proportional to 25,530.64, 35,249.64 and 18,817.04 is: 25,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,530.64 : 35,249.64 = 18,817.04 : x
  2. Step 2: Convert to fraction form
    25,530.64/35,249.64 = 18,817.04/x
  3. Step 3: Cross multiply
    25,530.64x = 35,249.64 × 18,817.04
  4. Step 4: Simplify right side
    25,530.64x = 663,293,885.87
  5. Step 5: Solve for x
    x = 663,293,885.87/25,530.64
  6. Step 6: Final answer
    x = 25,980.31

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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.