Home / 26,145.80-39,196.82-18,225.08

Finding the Fourth Proportional to 26,145.80, 39,196.82 and 18,225.08

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Solution

The fourth proportional to 26,145.80, 39,196.82 and 18,225.08 is: 27,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.80 : 39,196.82 = 18,225.08 : x
  2. Step 2: Convert to fraction form
    26,145.80/39,196.82 = 18,225.08/x
  3. Step 3: Cross multiply
    26,145.80x = 39,196.82 × 18,225.08
  4. Step 4: Simplify right side
    26,145.80x = 714,365,180.25
  5. Step 5: Solve for x
    x = 714,365,180.25/26,145.80
  6. Step 6: Final answer
    x = 27,322.37

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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.