Home / 31,378.14-43,259.94-26,882.64

Finding the Fourth Proportional to 31,378.14, 43,259.94 and 26,882.64

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Solution

The fourth proportional to 31,378.14, 43,259.94 and 26,882.64 is: 37,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378.14 : 43,259.94 = 26,882.64 : x
  2. Step 2: Convert to fraction form
    31,378.14/43,259.94 = 26,882.64/x
  3. Step 3: Cross multiply
    31,378.14x = 43,259.94 × 26,882.64
  4. Step 4: Simplify right side
    31,378.14x = 1,162,941,393.44
  5. Step 5: Solve for x
    x = 1,162,941,393.44/31,378.14
  6. Step 6: Final answer
    x = 37,062.15

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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.