Home / 28,902.67-43,349.47-9,178.63

Finding the Fourth Proportional to 28,902.67, 43,349.47 and 9,178.63

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Solution

The fourth proportional to 28,902.67, 43,349.47 and 9,178.63 is: 13,766.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902.67 : 43,349.47 = 9,178.63 : x
  2. Step 2: Convert to fraction form
    28,902.67/43,349.47 = 9,178.63/x
  3. Step 3: Cross multiply
    28,902.67x = 43,349.47 × 9,178.63
  4. Step 4: Simplify right side
    28,902.67x = 397,888,745.83
  5. Step 5: Solve for x
    x = 397,888,745.83/28,902.67
  6. Step 6: Final answer
    x = 13,766.50

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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.