Home / 28,888.02-43,336.62-11,118.06

Finding the Fourth Proportional to 28,888.02, 43,336.62 and 11,118.06

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Solution

The fourth proportional to 28,888.02, 43,336.62 and 11,118.06 is: 16,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888.02 : 43,336.62 = 11,118.06 : x
  2. Step 2: Convert to fraction form
    28,888.02/43,336.62 = 11,118.06/x
  3. Step 3: Cross multiply
    28,888.02x = 43,336.62 × 11,118.06
  4. Step 4: Simplify right side
    28,888.02x = 481,819,141.36
  5. Step 5: Solve for x
    x = 481,819,141.36/28,888.02
  6. Step 6: Final answer
    x = 16,678.86

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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.