Home / 28,969.05-43,454.34-9,247.57

Finding the Fourth Proportional to 28,969.05, 43,454.34 and 9,247.57

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Solution

The fourth proportional to 28,969.05, 43,454.34 and 9,247.57 is: 13,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.05 : 43,454.34 = 9,247.57 : x
  2. Step 2: Convert to fraction form
    28,969.05/43,454.34 = 9,247.57/x
  3. Step 3: Cross multiply
    28,969.05x = 43,454.34 × 9,247.57
  4. Step 4: Simplify right side
    28,969.05x = 401,847,050.95
  5. Step 5: Solve for x
    x = 401,847,050.95/28,969.05
  6. Step 6: Final answer
    x = 13,871.60

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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.