Home / 28,989.36-43,489.44-9,272.88

Finding the Fourth Proportional to 28,989.36, 43,489.44 and 9,272.88

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Solution

The fourth proportional to 28,989.36, 43,489.44 and 9,272.88 is: 13,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.36 : 43,489.44 = 9,272.88 : x
  2. Step 2: Convert to fraction form
    28,989.36/43,489.44 = 9,272.88/x
  3. Step 3: Cross multiply
    28,989.36x = 43,489.44 × 9,272.88
  4. Step 4: Simplify right side
    28,989.36x = 403,272,358.39
  5. Step 5: Solve for x
    x = 403,272,358.39/28,989.36
  6. Step 6: Final answer
    x = 13,911.05

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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.