Home / 28,905.10-43,357.65-27,374.20

Finding the Fourth Proportional to 28,905.10, 43,357.65 and 27,374.20

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Solution

The fourth proportional to 28,905.10, 43,357.65 and 27,374.20 is: 41,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.10 : 43,357.65 = 27,374.20 : x
  2. Step 2: Convert to fraction form
    28,905.10/43,357.65 = 27,374.20/x
  3. Step 3: Cross multiply
    28,905.10x = 43,357.65 × 27,374.20
  4. Step 4: Simplify right side
    28,905.10x = 1,186,880,982.63
  5. Step 5: Solve for x
    x = 1,186,880,982.63/28,905.10
  6. Step 6: Final answer
    x = 41,061.30

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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.