Home / 26,733.71-36,900.74-15,410.78

Finding the Fourth Proportional to 26,733.71, 36,900.74 and 15,410.78

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Solution

The fourth proportional to 26,733.71, 36,900.74 and 15,410.78 is: 21,271.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,733.71 : 36,900.74 = 15,410.78 : x
  2. Step 2: Convert to fraction form
    26,733.71/36,900.74 = 15,410.78/x
  3. Step 3: Cross multiply
    26,733.71x = 36,900.74 × 15,410.78
  4. Step 4: Simplify right side
    26,733.71x = 568,668,924.42
  5. Step 5: Solve for x
    x = 568,668,924.42/26,733.71
  6. Step 6: Final answer
    x = 21,271.61

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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.