Home / 31,528.75-43,509.97-17,382.10

Finding the Fourth Proportional to 31,528.75, 43,509.97 and 17,382.10

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Solution

The fourth proportional to 31,528.75, 43,509.97 and 17,382.10 is: 23,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,528.75 : 43,509.97 = 17,382.10 : x
  2. Step 2: Convert to fraction form
    31,528.75/43,509.97 = 17,382.10/x
  3. Step 3: Cross multiply
    31,528.75x = 43,509.97 × 17,382.10
  4. Step 4: Simplify right side
    31,528.75x = 756,294,431.99
  5. Step 5: Solve for x
    x = 756,294,431.99/31,528.75
  6. Step 6: Final answer
    x = 23,987.46

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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.