Home / 28,973.40-43,432.38-9,241.08

Finding the Fourth Proportional to 28,973.40, 43,432.38 and 9,241.08

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Solution

The fourth proportional to 28,973.40, 43,432.38 and 9,241.08 is: 13,852.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973.40 : 43,432.38 = 9,241.08 : x
  2. Step 2: Convert to fraction form
    28,973.40/43,432.38 = 9,241.08/x
  3. Step 3: Cross multiply
    28,973.40x = 43,432.38 × 9,241.08
  4. Step 4: Simplify right side
    28,973.40x = 401,362,098.17
  5. Step 5: Solve for x
    x = 401,362,098.17/28,973.40
  6. Step 6: Final answer
    x = 13,852.78

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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.