Home / 28,412.26-42,588.82-15,913.96

Finding the Fourth Proportional to 28,412.26, 42,588.82 and 15,913.96

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Solution

The fourth proportional to 28,412.26, 42,588.82 and 15,913.96 is: 23,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,412.26 : 42,588.82 = 15,913.96 : x
  2. Step 2: Convert to fraction form
    28,412.26/42,588.82 = 15,913.96/x
  3. Step 3: Cross multiply
    28,412.26x = 42,588.82 × 15,913.96
  4. Step 4: Simplify right side
    28,412.26x = 677,756,777.93
  5. Step 5: Solve for x
    x = 677,756,777.93/28,412.26
  6. Step 6: Final answer
    x = 23,854.38

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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.