Home / 28,896.40-43,349.46-9,173.44

Finding the Fourth Proportional to 28,896.40, 43,349.46 and 9,173.44

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Solution

The fourth proportional to 28,896.40, 43,349.46 and 9,173.44 is: 13,761.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896.40 : 43,349.46 = 9,173.44 : x
  2. Step 2: Convert to fraction form
    28,896.40/43,349.46 = 9,173.44/x
  3. Step 3: Cross multiply
    28,896.40x = 43,349.46 × 9,173.44
  4. Step 4: Simplify right side
    28,896.40x = 397,663,670.34
  5. Step 5: Solve for x
    x = 397,663,670.34/28,896.40
  6. Step 6: Final answer
    x = 13,761.70

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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.