Home / 27,020.60-40,466.10-21,836.60

Finding the Fourth Proportional to 27,020.60, 40,466.10 and 21,836.60

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Solution

The fourth proportional to 27,020.60, 40,466.10 and 21,836.60 is: 32,702.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.60 : 40,466.10 = 21,836.60 : x
  2. Step 2: Convert to fraction form
    27,020.60/40,466.10 = 21,836.60/x
  3. Step 3: Cross multiply
    27,020.60x = 40,466.10 × 21,836.60
  4. Step 4: Simplify right side
    27,020.60x = 883,642,039.26
  5. Step 5: Solve for x
    x = 883,642,039.26/27,020.60
  6. Step 6: Final answer
    x = 32,702.53

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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.