Home / 28,357.19-42,541.94-8,635.24

Finding the Fourth Proportional to 28,357.19, 42,541.94 and 8,635.24

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Solution

The fourth proportional to 28,357.19, 42,541.94 and 8,635.24 is: 12,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.19 : 42,541.94 = 8,635.24 : x
  2. Step 2: Convert to fraction form
    28,357.19/42,541.94 = 8,635.24/x
  3. Step 3: Cross multiply
    28,357.19x = 42,541.94 × 8,635.24
  4. Step 4: Simplify right side
    28,357.19x = 367,359,936.73
  5. Step 5: Solve for x
    x = 367,359,936.73/28,357.19
  6. Step 6: Final answer
    x = 12,954.74

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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.