Home / 28,844.40-43,271.10-9,121.08

Finding the Fourth Proportional to 28,844.40, 43,271.10 and 9,121.08

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Solution

The fourth proportional to 28,844.40, 43,271.10 and 9,121.08 is: 13,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,844.40 : 43,271.10 = 9,121.08 : x
  2. Step 2: Convert to fraction form
    28,844.40/43,271.10 = 9,121.08/x
  3. Step 3: Cross multiply
    28,844.40x = 43,271.10 × 9,121.08
  4. Step 4: Simplify right side
    28,844.40x = 394,679,164.79
  5. Step 5: Solve for x
    x = 394,679,164.79/28,844.40
  6. Step 6: Final answer
    x = 13,683.04

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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.