Home / 28,466.31-42,701.28-11,827.69

Finding the Fourth Proportional to 28,466.31, 42,701.28 and 11,827.69

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Solution

The fourth proportional to 28,466.31, 42,701.28 and 11,827.69 is: 17,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.31 : 42,701.28 = 11,827.69 : x
  2. Step 2: Convert to fraction form
    28,466.31/42,701.28 = 11,827.69/x
  3. Step 3: Cross multiply
    28,466.31x = 42,701.28 × 11,827.69
  4. Step 4: Simplify right side
    28,466.31x = 505,057,502.44
  5. Step 5: Solve for x
    x = 505,057,502.44/28,466.31
  6. Step 6: Final answer
    x = 17,742.29

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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.