Home / 28,088.36-38,769.68-17,471.68

Finding the Fourth Proportional to 28,088.36, 38,769.68 and 17,471.68

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Solution

The fourth proportional to 28,088.36, 38,769.68 and 17,471.68 is: 24,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,088.36 : 38,769.68 = 17,471.68 : x
  2. Step 2: Convert to fraction form
    28,088.36/38,769.68 = 17,471.68/x
  3. Step 3: Cross multiply
    28,088.36x = 38,769.68 × 17,471.68
  4. Step 4: Simplify right side
    28,088.36x = 677,371,442.66
  5. Step 5: Solve for x
    x = 677,371,442.66/28,088.36
  6. Step 6: Final answer
    x = 24,115.73

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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.