Home / 43,508.91-65,289.29-15,809.07

Finding the Fourth Proportional to 43,508.91, 65,289.29 and 15,809.07

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Solution

The fourth proportional to 43,508.91, 65,289.29 and 15,809.07 is: 23,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.91 : 65,289.29 = 15,809.07 : x
  2. Step 2: Convert to fraction form
    43,508.91/65,289.29 = 15,809.07/x
  3. Step 3: Cross multiply
    43,508.91x = 65,289.29 × 15,809.07
  4. Step 4: Simplify right side
    43,508.91x = 1,032,162,955.86
  5. Step 5: Solve for x
    x = 1,032,162,955.86/43,508.91
  6. Step 6: Final answer
    x = 23,723.02

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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.