Home / 31,828.24-47,764.28-11,051.76

Finding the Fourth Proportional to 31,828.24, 47,764.28 and 11,051.76

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Solution

The fourth proportional to 31,828.24, 47,764.28 and 11,051.76 is: 16,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.24 : 47,764.28 = 11,051.76 : x
  2. Step 2: Convert to fraction form
    31,828.24/47,764.28 = 11,051.76/x
  3. Step 3: Cross multiply
    31,828.24x = 47,764.28 × 11,051.76
  4. Step 4: Simplify right side
    31,828.24x = 527,879,359.13
  5. Step 5: Solve for x
    x = 527,879,359.13/31,828.24
  6. Step 6: Final answer
    x = 16,585.25

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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.