Home / 26,422.80-39,653.40-10,851.60

Finding the Fourth Proportional to 26,422.80, 39,653.40 and 10,851.60

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Solution

The fourth proportional to 26,422.80, 39,653.40 and 10,851.60 is: 16,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.80 : 39,653.40 = 10,851.60 : x
  2. Step 2: Convert to fraction form
    26,422.80/39,653.40 = 10,851.60/x
  3. Step 3: Cross multiply
    26,422.80x = 39,653.40 × 10,851.60
  4. Step 4: Simplify right side
    26,422.80x = 430,302,835.44
  5. Step 5: Solve for x
    x = 430,302,835.44/26,422.80
  6. Step 6: Final answer
    x = 16,285.29

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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.