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Finding the Fourth Proportional to 32,495.76, 48,765.60 and 15,863.76

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Solution

The fourth proportional to 32,495.76, 48,765.60 and 15,863.76 is: 23,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,495.76 : 48,765.60 = 15,863.76 : x
  2. Step 2: Convert to fraction form
    32,495.76/48,765.60 = 15,863.76/x
  3. Step 3: Cross multiply
    32,495.76x = 48,765.60 × 15,863.76
  4. Step 4: Simplify right side
    32,495.76x = 773,605,774.66
  5. Step 5: Solve for x
    x = 773,605,774.66/32,495.76
  6. Step 6: Final answer
    x = 23,806.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.