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Finding the Fourth Proportional to 32,825.76, 45,304.76 and 18,683.16

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Solution

The fourth proportional to 32,825.76, 45,304.76 and 18,683.16 is: 25,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,825.76 : 45,304.76 = 18,683.16 : x
  2. Step 2: Convert to fraction form
    32,825.76/45,304.76 = 18,683.16/x
  3. Step 3: Cross multiply
    32,825.76x = 45,304.76 × 18,683.16
  4. Step 4: Simplify right side
    32,825.76x = 846,436,079.84
  5. Step 5: Solve for x
    x = 846,436,079.84/32,825.76
  6. Step 6: Final answer
    x = 25,785.73

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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.