Home / 27,138.24-40,708.58-7,416.36

Finding the Fourth Proportional to 27,138.24, 40,708.58 and 7,416.36

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Solution

The fourth proportional to 27,138.24, 40,708.58 and 7,416.36 is: 11,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,138.24 : 40,708.58 = 7,416.36 : x
  2. Step 2: Convert to fraction form
    27,138.24/40,708.58 = 7,416.36/x
  3. Step 3: Cross multiply
    27,138.24x = 40,708.58 × 7,416.36
  4. Step 4: Simplify right side
    27,138.24x = 301,909,447.29
  5. Step 5: Solve for x
    x = 301,909,447.29/27,138.24
  6. Step 6: Final answer
    x = 11,124.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.