Home / 28,077.66-42,116.37-11,433.98

Finding the Fourth Proportional to 28,077.66, 42,116.37 and 11,433.98

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Solution

The fourth proportional to 28,077.66, 42,116.37 and 11,433.98 is: 17,150.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,077.66 : 42,116.37 = 11,433.98 : x
  2. Step 2: Convert to fraction form
    28,077.66/42,116.37 = 11,433.98/x
  3. Step 3: Cross multiply
    28,077.66x = 42,116.37 × 11,433.98
  4. Step 4: Simplify right side
    28,077.66x = 481,557,521.67
  5. Step 5: Solve for x
    x = 481,557,521.67/28,077.66
  6. Step 6: Final answer
    x = 17,150.91

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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.