Home / 28,768.96-43,160.10-9,047.00

Finding the Fourth Proportional to 28,768.96, 43,160.10 and 9,047.00

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Solution

The fourth proportional to 28,768.96, 43,160.10 and 9,047.00 is: 13,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.96 : 43,160.10 = 9,047.00 : x
  2. Step 2: Convert to fraction form
    28,768.96/43,160.10 = 9,047.00/x
  3. Step 3: Cross multiply
    28,768.96x = 43,160.10 × 9,047.00
  4. Step 4: Simplify right side
    28,768.96x = 390,469,622.98
  5. Step 5: Solve for x
    x = 390,469,622.98/28,768.96
  6. Step 6: Final answer
    x = 13,572.60

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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.