Home / 31,528.68-43,509.92-17,382.03

Finding the Fourth Proportional to 31,528.68, 43,509.92 and 17,382.03

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Solution

The fourth proportional to 31,528.68, 43,509.92 and 17,382.03 is: 23,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.68 : 43,509.92 = 17,382.03 : x
  2. Step 2: Convert to fraction form
    31,528.68/43,509.92 = 17,382.03/x
  3. Step 3: Cross multiply
    31,528.68x = 43,509.92 × 17,382.03
  4. Step 4: Simplify right side
    31,528.68x = 756,290,647.83
  5. Step 5: Solve for x
    x = 756,290,647.83/31,528.68
  6. Step 6: Final answer
    x = 23,987.39

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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.