Home / 25,735-38,514.78-21,579.64

Finding the Fourth Proportional to 25,735, 38,514.78 and 21,579.64

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Solution

The fourth proportional to 25,735, 38,514.78 and 21,579.64 is: 32,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,735 : 38,514.78 = 21,579.64 : x
  2. Step 2: Convert to fraction form
    25,735/38,514.78 = 21,579.64/x
  3. Step 3: Cross multiply
    25,735x = 38,514.78 × 21,579.64
  4. Step 4: Simplify right side
    25,735x = 831,135,087.08
  5. Step 5: Solve for x
    x = 831,135,087.08/25,735
  6. Step 6: Final answer
    x = 32,295.90

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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.