Home / 27,935.40-38,551.52-15,189.32

Finding the Fourth Proportional to 27,935.40, 38,551.52 and 15,189.32

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Solution

The fourth proportional to 27,935.40, 38,551.52 and 15,189.32 is: 20,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,935.40 : 38,551.52 = 15,189.32 : x
  2. Step 2: Convert to fraction form
    27,935.40/38,551.52 = 15,189.32/x
  3. Step 3: Cross multiply
    27,935.40x = 38,551.52 × 15,189.32
  4. Step 4: Simplify right side
    27,935.40x = 585,571,373.77
  5. Step 5: Solve for x
    x = 585,571,373.77/27,935.40
  6. Step 6: Final answer
    x = 20,961.62

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Half scale
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Double scale
Find fourth proportional to 27,936.40, 38,552.90 and 15,190.32
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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.