Home / 27,405.27-37,812.74-18,904.68

Finding the Fourth Proportional to 27,405.27, 37,812.74 and 18,904.68

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Solution

The fourth proportional to 27,405.27, 37,812.74 and 18,904.68 is: 26,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,405.27 : 37,812.74 = 18,904.68 : x
  2. Step 2: Convert to fraction form
    27,405.27/37,812.74 = 18,904.68/x
  3. Step 3: Cross multiply
    27,405.27x = 37,812.74 × 18,904.68
  4. Step 4: Simplify right side
    27,405.27x = 714,837,749.62
  5. Step 5: Solve for x
    x = 714,837,749.62/27,405.27
  6. Step 6: Final answer
    x = 26,083.95

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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.