Home / 26,120.29-39,187.06-12,090.44

Finding the Fourth Proportional to 26,120.29, 39,187.06 and 12,090.44

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Solution

The fourth proportional to 26,120.29, 39,187.06 and 12,090.44 is: 18,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.29 : 39,187.06 = 12,090.44 : x
  2. Step 2: Convert to fraction form
    26,120.29/39,187.06 = 12,090.44/x
  3. Step 3: Cross multiply
    26,120.29x = 39,187.06 × 12,090.44
  4. Step 4: Simplify right side
    26,120.29x = 473,788,632.00
  5. Step 5: Solve for x
    x = 473,788,632.00/26,120.29
  6. Step 6: Final answer
    x = 18,138.72

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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.