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Finding the Fourth Proportional to 32,515.76, 48,776.88 and 8,823.68

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Solution

The fourth proportional to 32,515.76, 48,776.88 and 8,823.68 is: 13,236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,515.76 : 48,776.88 = 8,823.68 : x
  2. Step 2: Convert to fraction form
    32,515.76/48,776.88 = 8,823.68/x
  3. Step 3: Cross multiply
    32,515.76x = 48,776.88 × 8,823.68
  4. Step 4: Simplify right side
    32,515.76x = 430,391,336.63
  5. Step 5: Solve for x
    x = 430,391,336.63/32,515.76
  6. Step 6: Final answer
    x = 13,236.39

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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.