Home / 28,269.87-42,404.96-16,574.89

Finding the Fourth Proportional to 28,269.87, 42,404.96 and 16,574.89

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Solution

The fourth proportional to 28,269.87, 42,404.96 and 16,574.89 is: 24,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269.87 : 42,404.96 = 16,574.89 : x
  2. Step 2: Convert to fraction form
    28,269.87/42,404.96 = 16,574.89/x
  3. Step 3: Cross multiply
    28,269.87x = 42,404.96 × 16,574.89
  4. Step 4: Simplify right side
    28,269.87x = 702,857,547.45
  5. Step 5: Solve for x
    x = 702,857,547.45/28,269.87
  6. Step 6: Final answer
    x = 24,862.43

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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.