Home / 26,619.68-39,891.23-18,309.08

Finding the Fourth Proportional to 26,619.68, 39,891.23 and 18,309.08

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Solution

The fourth proportional to 26,619.68, 39,891.23 and 18,309.08 is: 27,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.68 : 39,891.23 = 18,309.08 : x
  2. Step 2: Convert to fraction form
    26,619.68/39,891.23 = 18,309.08/x
  3. Step 3: Cross multiply
    26,619.68x = 39,891.23 × 18,309.08
  4. Step 4: Simplify right side
    26,619.68x = 730,371,430.37
  5. Step 5: Solve for x
    x = 730,371,430.37/26,619.68
  6. Step 6: Final answer
    x = 27,437.28

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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.