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Finding the Fourth Proportional to 56,392.96, 84,591.48 and 18,954.28

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Solution

The fourth proportional to 56,392.96, 84,591.48 and 18,954.28 is: 28,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,392.96 : 84,591.48 = 18,954.28 : x
  2. Step 2: Convert to fraction form
    56,392.96/84,591.48 = 18,954.28/x
  3. Step 3: Cross multiply
    56,392.96x = 84,591.48 × 18,954.28
  4. Step 4: Simplify right side
    56,392.96x = 1,603,370,597.53
  5. Step 5: Solve for x
    x = 1,603,370,597.53/56,392.96
  6. Step 6: Final answer
    x = 28,432.11

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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.