Home / 28,349.43-42,497.85-12,546.06

Finding the Fourth Proportional to 28,349.43, 42,497.85 and 12,546.06

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Solution

The fourth proportional to 28,349.43, 42,497.85 and 12,546.06 is: 18,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.43 : 42,497.85 = 12,546.06 : x
  2. Step 2: Convert to fraction form
    28,349.43/42,497.85 = 12,546.06/x
  3. Step 3: Cross multiply
    28,349.43x = 42,497.85 × 12,546.06
  4. Step 4: Simplify right side
    28,349.43x = 533,180,575.97
  5. Step 5: Solve for x
    x = 533,180,575.97/28,349.43
  6. Step 6: Final answer
    x = 18,807.45

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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.