Home / 27,681.64-41,499.26-12,087.40

Finding the Fourth Proportional to 27,681.64, 41,499.26 and 12,087.40

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Solution

The fourth proportional to 27,681.64, 41,499.26 and 12,087.40 is: 18,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.64 : 41,499.26 = 12,087.40 : x
  2. Step 2: Convert to fraction form
    27,681.64/41,499.26 = 12,087.40/x
  3. Step 3: Cross multiply
    27,681.64x = 41,499.26 × 12,087.40
  4. Step 4: Simplify right side
    27,681.64x = 501,618,155.32
  5. Step 5: Solve for x
    x = 501,618,155.32/27,681.64
  6. Step 6: Final answer
    x = 18,120.97

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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.