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Finding the Fourth Proportional to 15,328.86, 22,994.10 and 4,800.32

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Solution

The fourth proportional to 15,328.86, 22,994.10 and 4,800.32 is: 7,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.86 : 22,994.10 = 4,800.32 : x
  2. Step 2: Convert to fraction form
    15,328.86/22,994.10 = 4,800.32/x
  3. Step 3: Cross multiply
    15,328.86x = 22,994.10 × 4,800.32
  4. Step 4: Simplify right side
    15,328.86x = 110,379,038.11
  5. Step 5: Solve for x
    x = 110,379,038.11/15,328.86
  6. Step 6: Final answer
    x = 7,200.73

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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.