Home / 31,378.32-43,259.76-26,882.64

Finding the Fourth Proportional to 31,378.32, 43,259.76 and 26,882.64

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Solution

The fourth proportional to 31,378.32, 43,259.76 and 26,882.64 is: 37,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,378.32 : 43,259.76 = 26,882.64 : x
  2. Step 2: Convert to fraction form
    31,378.32/43,259.76 = 26,882.64/x
  3. Step 3: Cross multiply
    31,378.32x = 43,259.76 × 26,882.64
  4. Step 4: Simplify right side
    31,378.32x = 1,162,936,554.57
  5. Step 5: Solve for x
    x = 1,162,936,554.57/31,378.32
  6. Step 6: Final answer
    x = 37,061.79

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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.