Home / 28,999.79-43,490.42-9,273.66

Finding the Fourth Proportional to 28,999.79, 43,490.42 and 9,273.66

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Solution

The fourth proportional to 28,999.79, 43,490.42 and 9,273.66 is: 13,907.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.79 : 43,490.42 = 9,273.66 : x
  2. Step 2: Convert to fraction form
    28,999.79/43,490.42 = 9,273.66/x
  3. Step 3: Cross multiply
    28,999.79x = 43,490.42 × 9,273.66
  4. Step 4: Simplify right side
    28,999.79x = 403,315,193.66
  5. Step 5: Solve for x
    x = 403,315,193.66/28,999.79
  6. Step 6: Final answer
    x = 13,907.52

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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.