Home / 28,849.53-43,280.46-9,129.69

Finding the Fourth Proportional to 28,849.53, 43,280.46 and 9,129.69

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Solution

The fourth proportional to 28,849.53, 43,280.46 and 9,129.69 is: 13,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.53 : 43,280.46 = 9,129.69 : x
  2. Step 2: Convert to fraction form
    28,849.53/43,280.46 = 9,129.69/x
  3. Step 3: Cross multiply
    28,849.53x = 43,280.46 × 9,129.69
  4. Step 4: Simplify right side
    28,849.53x = 395,137,182.86
  5. Step 5: Solve for x
    x = 395,137,182.86/28,849.53
  6. Step 6: Final answer
    x = 13,696.49

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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.