Home / 27,559.56-41,338.43-11,977.20

Finding the Fourth Proportional to 27,559.56, 41,338.43 and 11,977.20

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Solution

The fourth proportional to 27,559.56, 41,338.43 and 11,977.20 is: 17,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,559.56 : 41,338.43 = 11,977.20 : x
  2. Step 2: Convert to fraction form
    27,559.56/41,338.43 = 11,977.20/x
  3. Step 3: Cross multiply
    27,559.56x = 41,338.43 × 11,977.20
  4. Step 4: Simplify right side
    27,559.56x = 495,118,583.91
  5. Step 5: Solve for x
    x = 495,118,583.91/27,559.56
  6. Step 6: Final answer
    x = 17,965.40

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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.