Home / 27,432.54-37,856.25-15,495.48

Finding the Fourth Proportional to 27,432.54, 37,856.25 and 15,495.48

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Solution

The fourth proportional to 27,432.54, 37,856.25 and 15,495.48 is: 21,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.54 : 37,856.25 = 15,495.48 : x
  2. Step 2: Convert to fraction form
    27,432.54/37,856.25 = 15,495.48/x
  3. Step 3: Cross multiply
    27,432.54x = 37,856.25 × 15,495.48
  4. Step 4: Simplify right side
    27,432.54x = 586,600,764.75
  5. Step 5: Solve for x
    x = 586,600,764.75/27,432.54
  6. Step 6: Final answer
    x = 21,383.39

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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.