Home / 19,353.66-28,989.48-14,621.54

Finding the Fourth Proportional to 19,353.66, 28,989.48 and 14,621.54

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Solution

The fourth proportional to 19,353.66, 28,989.48 and 14,621.54 is: 21,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.66 : 28,989.48 = 14,621.54 : x
  2. Step 2: Convert to fraction form
    19,353.66/28,989.48 = 14,621.54/x
  3. Step 3: Cross multiply
    19,353.66x = 28,989.48 × 14,621.54
  4. Step 4: Simplify right side
    19,353.66x = 423,870,841.40
  5. Step 5: Solve for x
    x = 423,870,841.40/19,353.66
  6. Step 6: Final answer
    x = 21,901.33

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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.