Home / 26,188.08-39,282.12-21,561.36

Finding the Fourth Proportional to 26,188.08, 39,282.12 and 21,561.36

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Solution

The fourth proportional to 26,188.08, 39,282.12 and 21,561.36 is: 32,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.08 : 39,282.12 = 21,561.36 : x
  2. Step 2: Convert to fraction form
    26,188.08/39,282.12 = 21,561.36/x
  3. Step 3: Cross multiply
    26,188.08x = 39,282.12 × 21,561.36
  4. Step 4: Simplify right side
    26,188.08x = 846,975,930.88
  5. Step 5: Solve for x
    x = 846,975,930.88/26,188.08
  6. Step 6: Final answer
    x = 32,342.04

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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.