Home / 28,088.10-38,752.18-18,532.73

Finding the Fourth Proportional to 28,088.10, 38,752.18 and 18,532.73

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Solution

The fourth proportional to 28,088.10, 38,752.18 and 18,532.73 is: 25,568.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.10 : 38,752.18 = 18,532.73 : x
  2. Step 2: Convert to fraction form
    28,088.10/38,752.18 = 18,532.73/x
  3. Step 3: Cross multiply
    28,088.10x = 38,752.18 × 18,532.73
  4. Step 4: Simplify right side
    28,088.10x = 718,183,739.40
  5. Step 5: Solve for x
    x = 718,183,739.40/28,088.10
  6. Step 6: Final answer
    x = 25,568.97

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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.