Home / 43,355.40-65,038.32-15,269.66

Finding the Fourth Proportional to 43,355.40, 65,038.32 and 15,269.66

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Solution

The fourth proportional to 43,355.40, 65,038.32 and 15,269.66 is: 22,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.40 : 65,038.32 = 15,269.66 : x
  2. Step 2: Convert to fraction form
    43,355.40/65,038.32 = 15,269.66/x
  3. Step 3: Cross multiply
    43,355.40x = 65,038.32 × 15,269.66
  4. Step 4: Simplify right side
    43,355.40x = 993,113,033.37
  5. Step 5: Solve for x
    x = 993,113,033.37/43,355.40
  6. Step 6: Final answer
    x = 22,906.33

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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.