Home / 28,999.42-43,496.33-9,272.68

Finding the Fourth Proportional to 28,999.42, 43,496.33 and 9,272.68

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Solution

The fourth proportional to 28,999.42, 43,496.33 and 9,272.68 is: 13,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999.42 : 43,496.33 = 9,272.68 : x
  2. Step 2: Convert to fraction form
    28,999.42/43,496.33 = 9,272.68/x
  3. Step 3: Cross multiply
    28,999.42x = 43,496.33 × 9,272.68
  4. Step 4: Simplify right side
    28,999.42x = 403,327,394.16
  5. Step 5: Solve for x
    x = 403,327,394.16/28,999.42
  6. Step 6: Final answer
    x = 13,908.12

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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.