Home / 28,464.52-42,702.54-9,997.96

Finding the Fourth Proportional to 28,464.52, 42,702.54 and 9,997.96

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Solution

The fourth proportional to 28,464.52, 42,702.54 and 9,997.96 is: 14,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.52 : 42,702.54 = 9,997.96 : x
  2. Step 2: Convert to fraction form
    28,464.52/42,702.54 = 9,997.96/x
  3. Step 3: Cross multiply
    28,464.52x = 42,702.54 × 9,997.96
  4. Step 4: Simplify right side
    28,464.52x = 426,938,286.82
  5. Step 5: Solve for x
    x = 426,938,286.82/28,464.52
  6. Step 6: Final answer
    x = 14,998.96

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1.5x scale

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.