Home / 27,318.69-40,977.90-15,623.64

Finding the Fourth Proportional to 27,318.69, 40,977.90 and 15,623.64

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Solution

The fourth proportional to 27,318.69, 40,977.90 and 15,623.64 is: 23,435.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.69 : 40,977.90 = 15,623.64 : x
  2. Step 2: Convert to fraction form
    27,318.69/40,977.90 = 15,623.64/x
  3. Step 3: Cross multiply
    27,318.69x = 40,977.90 × 15,623.64
  4. Step 4: Simplify right side
    27,318.69x = 640,223,957.56
  5. Step 5: Solve for x
    x = 640,223,957.56/27,318.69
  6. Step 6: Final answer
    x = 23,435.38

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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.