Home / 26,653.60-39,980.40-6,930.48

Finding the Fourth Proportional to 26,653.60, 39,980.40 and 6,930.48

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Solution

The fourth proportional to 26,653.60, 39,980.40 and 6,930.48 is: 10,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.60 : 39,980.40 = 6,930.48 : x
  2. Step 2: Convert to fraction form
    26,653.60/39,980.40 = 6,930.48/x
  3. Step 3: Cross multiply
    26,653.60x = 39,980.40 × 6,930.48
  4. Step 4: Simplify right side
    26,653.60x = 277,083,362.59
  5. Step 5: Solve for x
    x = 277,083,362.59/26,653.60
  6. Step 6: Final answer
    x = 10,395.72

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Similar ratio
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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.