Home / 28,329.85-42,512.55-17,799.45

Finding the Fourth Proportional to 28,329.85, 42,512.55 and 17,799.45

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Solution

The fourth proportional to 28,329.85, 42,512.55 and 17,799.45 is: 26,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,329.85 : 42,512.55 = 17,799.45 : x
  2. Step 2: Convert to fraction form
    28,329.85/42,512.55 = 17,799.45/x
  3. Step 3: Cross multiply
    28,329.85x = 42,512.55 × 17,799.45
  4. Step 4: Simplify right side
    28,329.85x = 756,699,781.93
  5. Step 5: Solve for x
    x = 756,699,781.93/28,329.85
  6. Step 6: Final answer
    x = 26,710.33

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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.