Home / 28,246.49-42,376.57-8,523.84

Finding the Fourth Proportional to 28,246.49, 42,376.57 and 8,523.84

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Solution

The fourth proportional to 28,246.49, 42,376.57 and 8,523.84 is: 12,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.49 : 42,376.57 = 8,523.84 : x
  2. Step 2: Convert to fraction form
    28,246.49/42,376.57 = 8,523.84/x
  3. Step 3: Cross multiply
    28,246.49x = 42,376.57 × 8,523.84
  4. Step 4: Simplify right side
    28,246.49x = 361,211,081.12
  5. Step 5: Solve for x
    x = 361,211,081.12/28,246.49
  6. Step 6: Final answer
    x = 12,787.82

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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.