Home / 28,892.79-43,335.30-9,173.34

Finding the Fourth Proportional to 28,892.79, 43,335.30 and 9,173.34

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Solution

The fourth proportional to 28,892.79, 43,335.30 and 9,173.34 is: 13,758.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.79 : 43,335.30 = 9,173.34 : x
  2. Step 2: Convert to fraction form
    28,892.79/43,335.30 = 9,173.34/x
  3. Step 3: Cross multiply
    28,892.79x = 43,335.30 × 9,173.34
  4. Step 4: Simplify right side
    28,892.79x = 397,529,440.90
  5. Step 5: Solve for x
    x = 397,529,440.90/28,892.79
  6. Step 6: Final answer
    x = 13,758.78

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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.