Home / 28,905.17-43,353.23-9,181.13

Finding the Fourth Proportional to 28,905.17, 43,353.23 and 9,181.13

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Solution

The fourth proportional to 28,905.17, 43,353.23 and 9,181.13 is: 13,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.17 : 43,353.23 = 9,181.13 : x
  2. Step 2: Convert to fraction form
    28,905.17/43,353.23 = 9,181.13/x
  3. Step 3: Cross multiply
    28,905.17x = 43,353.23 × 9,181.13
  4. Step 4: Simplify right side
    28,905.17x = 398,031,377.88
  5. Step 5: Solve for x
    x = 398,031,377.88/28,905.17
  6. Step 6: Final answer
    x = 13,770.25

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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.