Home / 28,524.51-39,350.72-18,456.23

Finding the Fourth Proportional to 28,524.51, 39,350.72 and 18,456.23

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Solution

The fourth proportional to 28,524.51, 39,350.72 and 18,456.23 is: 25,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.51 : 39,350.72 = 18,456.23 : x
  2. Step 2: Convert to fraction form
    28,524.51/39,350.72 = 18,456.23/x
  3. Step 3: Cross multiply
    28,524.51x = 39,350.72 × 18,456.23
  4. Step 4: Simplify right side
    28,524.51x = 726,265,935.94
  5. Step 5: Solve for x
    x = 726,265,935.94/28,524.51
  6. Step 6: Final answer
    x = 25,461.12

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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.