Home / 51,367.86-77,052.09-15,828.72

Finding the Fourth Proportional to 51,367.86, 77,052.09 and 15,828.72

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Solution

The fourth proportional to 51,367.86, 77,052.09 and 15,828.72 is: 23,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,367.86 : 77,052.09 = 15,828.72 : x
  2. Step 2: Convert to fraction form
    51,367.86/77,052.09 = 15,828.72/x
  3. Step 3: Cross multiply
    51,367.86x = 77,052.09 × 15,828.72
  4. Step 4: Simplify right side
    51,367.86x = 1,219,635,958.02
  5. Step 5: Solve for x
    x = 1,219,635,958.02/51,367.86
  6. Step 6: Final answer
    x = 23,743.17

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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.