Home / 43,470.27-65,221.81-15,389.19

Finding the Fourth Proportional to 43,470.27, 65,221.81 and 15,389.19

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Solution

The fourth proportional to 43,470.27, 65,221.81 and 15,389.19 is: 23,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,470.27 : 65,221.81 = 15,389.19 : x
  2. Step 2: Convert to fraction form
    43,470.27/65,221.81 = 15,389.19/x
  3. Step 3: Cross multiply
    43,470.27x = 65,221.81 × 15,389.19
  4. Step 4: Simplify right side
    43,470.27x = 1,003,710,787.76
  5. Step 5: Solve for x
    x = 1,003,710,787.76/43,470.27
  6. Step 6: Final answer
    x = 23,089.59

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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.