Home / 26,129.09-36,034.26-19,431.47

Finding the Fourth Proportional to 26,129.09, 36,034.26 and 19,431.47

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Solution

The fourth proportional to 26,129.09, 36,034.26 and 19,431.47 is: 26,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,129.09 : 36,034.26 = 19,431.47 : x
  2. Step 2: Convert to fraction form
    26,129.09/36,034.26 = 19,431.47/x
  3. Step 3: Cross multiply
    26,129.09x = 36,034.26 × 19,431.47
  4. Step 4: Simplify right side
    26,129.09x = 700,198,642.16
  5. Step 5: Solve for x
    x = 700,198,642.16/26,129.09
  6. Step 6: Final answer
    x = 26,797.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.