Home / 28,889.40-43,334.10-11,350.20

Finding the Fourth Proportional to 28,889.40, 43,334.10 and 11,350.20

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Solution

The fourth proportional to 28,889.40, 43,334.10 and 11,350.20 is: 17,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.40 : 43,334.10 = 11,350.20 : x
  2. Step 2: Convert to fraction form
    28,889.40/43,334.10 = 11,350.20/x
  3. Step 3: Cross multiply
    28,889.40x = 43,334.10 × 11,350.20
  4. Step 4: Simplify right side
    28,889.40x = 491,850,701.82
  5. Step 5: Solve for x
    x = 491,850,701.82/28,889.40
  6. Step 6: Final answer
    x = 17,025.30

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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.