Home / 26,739.07-36,903.81-15,406.38

Finding the Fourth Proportional to 26,739.07, 36,903.81 and 15,406.38

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Solution

The fourth proportional to 26,739.07, 36,903.81 and 15,406.38 is: 21,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.07 : 36,903.81 = 15,406.38 : x
  2. Step 2: Convert to fraction form
    26,739.07/36,903.81 = 15,406.38/x
  3. Step 3: Cross multiply
    26,739.07x = 36,903.81 × 15,406.38
  4. Step 4: Simplify right side
    26,739.07x = 568,554,120.31
  5. Step 5: Solve for x
    x = 568,554,120.31/26,739.07
  6. Step 6: Final answer
    x = 21,263.05

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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.