Home / 28,889.02-43,338.12-11,119.06

Finding the Fourth Proportional to 28,889.02, 43,338.12 and 11,119.06

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Solution

The fourth proportional to 28,889.02, 43,338.12 and 11,119.06 is: 16,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.02 : 43,338.12 = 11,119.06 : x
  2. Step 2: Convert to fraction form
    28,889.02/43,338.12 = 11,119.06/x
  3. Step 3: Cross multiply
    28,889.02x = 43,338.12 × 11,119.06
  4. Step 4: Simplify right side
    28,889.02x = 481,879,156.57
  5. Step 5: Solve for x
    x = 481,879,156.57/28,889.02
  6. Step 6: Final answer
    x = 16,680.36

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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.