Home / 28,466.84-42,701.81-11,828.55

Finding the Fourth Proportional to 28,466.84, 42,701.81 and 11,828.55

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Solution

The fourth proportional to 28,466.84, 42,701.81 and 11,828.55 is: 17,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.84 : 42,701.81 = 11,828.55 : x
  2. Step 2: Convert to fraction form
    28,466.84/42,701.81 = 11,828.55/x
  3. Step 3: Cross multiply
    28,466.84x = 42,701.81 × 11,828.55
  4. Step 4: Simplify right side
    28,466.84x = 505,100,435.53
  5. Step 5: Solve for x
    x = 505,100,435.53/28,466.84
  6. Step 6: Final answer
    x = 17,743.47

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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.