Home / 28,542.96-39,408.68-17,792.15

Finding the Fourth Proportional to 28,542.96, 39,408.68 and 17,792.15

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Solution

The fourth proportional to 28,542.96, 39,408.68 and 17,792.15 is: 24,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.96 : 39,408.68 = 17,792.15 : x
  2. Step 2: Convert to fraction form
    28,542.96/39,408.68 = 17,792.15/x
  3. Step 3: Cross multiply
    28,542.96x = 39,408.68 × 17,792.15
  4. Step 4: Simplify right side
    28,542.96x = 701,164,859.86
  5. Step 5: Solve for x
    x = 701,164,859.86/28,542.96
  6. Step 6: Final answer
    x = 24,565.25

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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.