Home / 28,448.24-39,229.44-18,884.75

Finding the Fourth Proportional to 28,448.24, 39,229.44 and 18,884.75

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Solution

The fourth proportional to 28,448.24, 39,229.44 and 18,884.75 is: 26,041.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.24 : 39,229.44 = 18,884.75 : x
  2. Step 2: Convert to fraction form
    28,448.24/39,229.44 = 18,884.75/x
  3. Step 3: Cross multiply
    28,448.24x = 39,229.44 × 18,884.75
  4. Step 4: Simplify right side
    28,448.24x = 740,838,167.04
  5. Step 5: Solve for x
    x = 740,838,167.04/28,448.24
  6. Step 6: Final answer
    x = 26,041.62

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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.