Home / 27,880.24-38,465.34-17,814.56

Finding the Fourth Proportional to 27,880.24, 38,465.34 and 17,814.56

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Solution

The fourth proportional to 27,880.24, 38,465.34 and 17,814.56 is: 24,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.24 : 38,465.34 = 17,814.56 : x
  2. Step 2: Convert to fraction form
    27,880.24/38,465.34 = 17,814.56/x
  3. Step 3: Cross multiply
    27,880.24x = 38,465.34 × 17,814.56
  4. Step 4: Simplify right side
    27,880.24x = 685,243,107.35
  5. Step 5: Solve for x
    x = 685,243,107.35/27,880.24
  6. Step 6: Final answer
    x = 24,578.10

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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.