Home / 26,648.00-39,968.81-20,730.79

Finding the Fourth Proportional to 26,648.00, 39,968.81 and 20,730.79

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Solution

The fourth proportional to 26,648.00, 39,968.81 and 20,730.79 is: 31,093.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.00 : 39,968.81 = 20,730.79 : x
  2. Step 2: Convert to fraction form
    26,648.00/39,968.81 = 20,730.79/x
  3. Step 3: Cross multiply
    26,648.00x = 39,968.81 × 20,730.79
  4. Step 4: Simplify right side
    26,648.00x = 828,584,880.82
  5. Step 5: Solve for x
    x = 828,584,880.82/26,648.00
  6. Step 6: Final answer
    x = 31,093.70

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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.