Home / 28,183.17-38,899.16-17,570.76

Finding the Fourth Proportional to 28,183.17, 38,899.16 and 17,570.76

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Solution

The fourth proportional to 28,183.17, 38,899.16 and 17,570.76 is: 24,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.17 : 38,899.16 = 17,570.76 : x
  2. Step 2: Convert to fraction form
    28,183.17/38,899.16 = 17,570.76/x
  3. Step 3: Cross multiply
    28,183.17x = 38,899.16 × 17,570.76
  4. Step 4: Simplify right side
    28,183.17x = 683,487,636.73
  5. Step 5: Solve for x
    x = 683,487,636.73/28,183.17
  6. Step 6: Final answer
    x = 24,251.62

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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.