Home / 25,538.94-35,221.30-17,878.29

Finding the Fourth Proportional to 25,538.94, 35,221.30 and 17,878.29

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Solution

The fourth proportional to 25,538.94, 35,221.30 and 17,878.29 is: 24,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538.94 : 35,221.30 = 17,878.29 : x
  2. Step 2: Convert to fraction form
    25,538.94/35,221.30 = 17,878.29/x
  3. Step 3: Cross multiply
    25,538.94x = 35,221.30 × 17,878.29
  4. Step 4: Simplify right side
    25,538.94x = 629,696,439.47
  5. Step 5: Solve for x
    x = 629,696,439.47/25,538.94
  6. Step 6: Final answer
    x = 24,656.33

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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.