Home / 27,035.64-37,318.86-20,340.18

Finding the Fourth Proportional to 27,035.64, 37,318.86 and 20,340.18

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Solution

The fourth proportional to 27,035.64, 37,318.86 and 20,340.18 is: 28,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,035.64 : 37,318.86 = 20,340.18 : x
  2. Step 2: Convert to fraction form
    27,035.64/37,318.86 = 20,340.18/x
  3. Step 3: Cross multiply
    27,035.64x = 37,318.86 × 20,340.18
  4. Step 4: Simplify right side
    27,035.64x = 759,072,329.79
  5. Step 5: Solve for x
    x = 759,072,329.79/27,035.64
  6. Step 6: Final answer
    x = 28,076.73

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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.