Home / 28,829.05-43,244.93-9,109.20

Finding the Fourth Proportional to 28,829.05, 43,244.93 and 9,109.20

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Solution

The fourth proportional to 28,829.05, 43,244.93 and 9,109.20 is: 13,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.05 : 43,244.93 = 9,109.20 : x
  2. Step 2: Convert to fraction form
    28,829.05/43,244.93 = 9,109.20/x
  3. Step 3: Cross multiply
    28,829.05x = 43,244.93 × 9,109.20
  4. Step 4: Simplify right side
    28,829.05x = 393,926,716.36
  5. Step 5: Solve for x
    x = 393,926,716.36/28,829.05
  6. Step 6: Final answer
    x = 13,664.23

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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.