Home / 28,533.66-42,777.29-11,906.07

Finding the Fourth Proportional to 28,533.66, 42,777.29 and 11,906.07

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Solution

The fourth proportional to 28,533.66, 42,777.29 and 11,906.07 is: 17,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.66 : 42,777.29 = 11,906.07 : x
  2. Step 2: Convert to fraction form
    28,533.66/42,777.29 = 11,906.07/x
  3. Step 3: Cross multiply
    28,533.66x = 42,777.29 × 11,906.07
  4. Step 4: Simplify right side
    28,533.66x = 509,309,409.15
  5. Step 5: Solve for x
    x = 509,309,409.15/28,533.66
  6. Step 6: Final answer
    x = 17,849.42

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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.