Home / 26,851.52-40,276.44-12,821.60

Finding the Fourth Proportional to 26,851.52, 40,276.44 and 12,821.60

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Solution

The fourth proportional to 26,851.52, 40,276.44 and 12,821.60 is: 19,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.52 : 40,276.44 = 12,821.60 : x
  2. Step 2: Convert to fraction form
    26,851.52/40,276.44 = 12,821.60/x
  3. Step 3: Cross multiply
    26,851.52x = 40,276.44 × 12,821.60
  4. Step 4: Simplify right side
    26,851.52x = 516,408,403.10
  5. Step 5: Solve for x
    x = 516,408,403.10/26,851.52
  6. Step 6: Final answer
    x = 19,232.00

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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.