Home / 27,840.62-38,398.38-17,236.10

Finding the Fourth Proportional to 27,840.62, 38,398.38 and 17,236.10

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Solution

The fourth proportional to 27,840.62, 38,398.38 and 17,236.10 is: 23,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,840.62 : 38,398.38 = 17,236.10 : x
  2. Step 2: Convert to fraction form
    27,840.62/38,398.38 = 17,236.10/x
  3. Step 3: Cross multiply
    27,840.62x = 38,398.38 × 17,236.10
  4. Step 4: Simplify right side
    27,840.62x = 661,838,317.52
  5. Step 5: Solve for x
    x = 661,838,317.52/27,840.62
  6. Step 6: Final answer
    x = 23,772.40

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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.