Home / 28,540.63-42,823.19-11,022.76

Finding the Fourth Proportional to 28,540.63, 42,823.19 and 11,022.76

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Solution

The fourth proportional to 28,540.63, 42,823.19 and 11,022.76 is: 16,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.63 : 42,823.19 = 11,022.76 : x
  2. Step 2: Convert to fraction form
    28,540.63/42,823.19 = 11,022.76/x
  3. Step 3: Cross multiply
    28,540.63x = 42,823.19 × 11,022.76
  4. Step 4: Simplify right side
    28,540.63x = 472,029,666.30
  5. Step 5: Solve for x
    x = 472,029,666.30/28,540.63
  6. Step 6: Final answer
    x = 16,538.87

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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.