Home / 27,132.60-40,634.10-21,948.60

Finding the Fourth Proportional to 27,132.60, 40,634.10 and 21,948.60

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Solution

The fourth proportional to 27,132.60, 40,634.10 and 21,948.60 is: 32,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.60 : 40,634.10 = 21,948.60 : x
  2. Step 2: Convert to fraction form
    27,132.60/40,634.10 = 21,948.60/x
  3. Step 3: Cross multiply
    27,132.60x = 40,634.10 × 21,948.60
  4. Step 4: Simplify right side
    27,132.60x = 891,861,607.26
  5. Step 5: Solve for x
    x = 891,861,607.26/27,132.60
  6. Step 6: Final answer
    x = 32,870.48

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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.