Home / 28,175.16-42,265.98-16,488.48

Finding the Fourth Proportional to 28,175.16, 42,265.98 and 16,488.48

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Solution

The fourth proportional to 28,175.16, 42,265.98 and 16,488.48 is: 24,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,175.16 : 42,265.98 = 16,488.48 : x
  2. Step 2: Convert to fraction form
    28,175.16/42,265.98 = 16,488.48/x
  3. Step 3: Cross multiply
    28,175.16x = 42,265.98 × 16,488.48
  4. Step 4: Simplify right side
    28,175.16x = 696,901,765.91
  5. Step 5: Solve for x
    x = 696,901,765.91/28,175.16
  6. Step 6: Final answer
    x = 24,734.62

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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.