Home / 28,344.51-39,124.40-17,727.39

Finding the Fourth Proportional to 28,344.51, 39,124.40 and 17,727.39

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Solution

The fourth proportional to 28,344.51, 39,124.40 and 17,727.39 is: 24,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.51 : 39,124.40 = 17,727.39 : x
  2. Step 2: Convert to fraction form
    28,344.51/39,124.40 = 17,727.39/x
  3. Step 3: Cross multiply
    28,344.51x = 39,124.40 × 17,727.39
  4. Step 4: Simplify right side
    28,344.51x = 693,573,408.68
  5. Step 5: Solve for x
    x = 693,573,408.68/28,344.51
  6. Step 6: Final answer
    x = 24,469.41

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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.