Home / 26,987.36-40,461.03-12,934.00

Finding the Fourth Proportional to 26,987.36, 40,461.03 and 12,934.00

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Solution

The fourth proportional to 26,987.36, 40,461.03 and 12,934.00 is: 19,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.36 : 40,461.03 = 12,934.00 : x
  2. Step 2: Convert to fraction form
    26,987.36/40,461.03 = 12,934.00/x
  3. Step 3: Cross multiply
    26,987.36x = 40,461.03 × 12,934.00
  4. Step 4: Simplify right side
    26,987.36x = 523,322,860.87
  5. Step 5: Solve for x
    x = 523,322,860.87/26,987.36
  6. Step 6: Final answer
    x = 19,391.41

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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.