Home / 27,432.48-37,857.60-15,496.32

Finding the Fourth Proportional to 27,432.48, 37,857.60 and 15,496.32

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Solution

The fourth proportional to 27,432.48, 37,857.60 and 15,496.32 is: 21,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.48 : 37,857.60 = 15,496.32 : x
  2. Step 2: Convert to fraction form
    27,432.48/37,857.60 = 15,496.32/x
  3. Step 3: Cross multiply
    27,432.48x = 37,857.60 × 15,496.32
  4. Step 4: Simplify right side
    27,432.48x = 586,653,484.03
  5. Step 5: Solve for x
    x = 586,653,484.03/27,432.48
  6. Step 6: Final answer
    x = 21,385.36

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Double scale
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Similar ratio
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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.