Home / 20,844.02-31,274.92-13,826.49

Finding the Fourth Proportional to 20,844.02, 31,274.92 and 13,826.49

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Solution

The fourth proportional to 20,844.02, 31,274.92 and 13,826.49 is: 20,745.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.02 : 31,274.92 = 13,826.49 : x
  2. Step 2: Convert to fraction form
    20,844.02/31,274.92 = 13,826.49/x
  3. Step 3: Cross multiply
    20,844.02x = 31,274.92 × 13,826.49
  4. Step 4: Simplify right side
    20,844.02x = 432,422,368.63
  5. Step 5: Solve for x
    x = 432,422,368.63/20,844.02
  6. Step 6: Final answer
    x = 20,745.63

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1.5x scale

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.