Home / 28,645.84-42,951.46-12,848

Finding the Fourth Proportional to 28,645.84, 42,951.46 and 12,848

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Solution

The fourth proportional to 28,645.84, 42,951.46 and 12,848 is: 19,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.84 : 42,951.46 = 12,848 : x
  2. Step 2: Convert to fraction form
    28,645.84/42,951.46 = 12,848/x
  3. Step 3: Cross multiply
    28,645.84x = 42,951.46 × 12,848
  4. Step 4: Simplify right side
    28,645.84x = 551,840,358.08
  5. Step 5: Solve for x
    x = 551,840,358.08/28,645.84
  6. Step 6: Final answer
    x = 19,264.24

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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.