Home / 28,764.11-43,148.03-9,043.43

Finding the Fourth Proportional to 28,764.11, 43,148.03 and 9,043.43

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Solution

The fourth proportional to 28,764.11, 43,148.03 and 9,043.43 is: 13,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764.11 : 43,148.03 = 9,043.43 : x
  2. Step 2: Convert to fraction form
    28,764.11/43,148.03 = 9,043.43/x
  3. Step 3: Cross multiply
    28,764.11x = 43,148.03 × 9,043.43
  4. Step 4: Simplify right side
    28,764.11x = 390,205,927.99
  5. Step 5: Solve for x
    x = 390,205,927.99/28,764.11
  6. Step 6: Final answer
    x = 13,565.72

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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.