Home / 28,533.24-42,776.66-11,905.66

Finding the Fourth Proportional to 28,533.24, 42,776.66 and 11,905.66

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Solution

The fourth proportional to 28,533.24, 42,776.66 and 11,905.66 is: 17,848.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.24 : 42,776.66 = 11,905.66 : x
  2. Step 2: Convert to fraction form
    28,533.24/42,776.66 = 11,905.66/x
  3. Step 3: Cross multiply
    28,533.24x = 42,776.66 × 11,905.66
  4. Step 4: Simplify right side
    28,533.24x = 509,284,369.90
  5. Step 5: Solve for x
    x = 509,284,369.90/28,533.24
  6. Step 6: Final answer
    x = 17,848.81

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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.