Home / 28,947.46-43,420.38-9,227.20

Finding the Fourth Proportional to 28,947.46, 43,420.38 and 9,227.20

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Solution

The fourth proportional to 28,947.46, 43,420.38 and 9,227.20 is: 13,840.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.46 : 43,420.38 = 9,227.20 : x
  2. Step 2: Convert to fraction form
    28,947.46/43,420.38 = 9,227.20/x
  3. Step 3: Cross multiply
    28,947.46x = 43,420.38 × 9,227.20
  4. Step 4: Simplify right side
    28,947.46x = 400,648,530.34
  5. Step 5: Solve for x
    x = 400,648,530.34/28,947.46
  6. Step 6: Final answer
    x = 13,840.54

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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.