Home / 28,999.90-43,506.33-9,279.64

Finding the Fourth Proportional to 28,999.90, 43,506.33 and 9,279.64

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Solution

The fourth proportional to 28,999.90, 43,506.33 and 9,279.64 is: 13,921.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.90 : 43,506.33 = 9,279.64 : x
  2. Step 2: Convert to fraction form
    28,999.90/43,506.33 = 9,279.64/x
  3. Step 3: Cross multiply
    28,999.90x = 43,506.33 × 9,279.64
  4. Step 4: Simplify right side
    28,999.90x = 403,722,816.19
  5. Step 5: Solve for x
    x = 403,722,816.19/28,999.90
  6. Step 6: Final answer
    x = 13,921.53

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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.