Home / 28,945.40-43,417.57-9,223.67

Finding the Fourth Proportional to 28,945.40, 43,417.57 and 9,223.67

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Solution

The fourth proportional to 28,945.40, 43,417.57 and 9,223.67 is: 13,835.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.40 : 43,417.57 = 9,223.67 : x
  2. Step 2: Convert to fraction form
    28,945.40/43,417.57 = 9,223.67/x
  3. Step 3: Cross multiply
    28,945.40x = 43,417.57 × 9,223.67
  4. Step 4: Simplify right side
    28,945.40x = 400,469,440.66
  5. Step 5: Solve for x
    x = 400,469,440.66/28,945.40
  6. Step 6: Final answer
    x = 13,835.34

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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.