Home / 26,987.82-40,486.59-12,935.94

Finding the Fourth Proportional to 26,987.82, 40,486.59 and 12,935.94

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Solution

The fourth proportional to 26,987.82, 40,486.59 and 12,935.94 is: 19,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.82 : 40,486.59 = 12,935.94 : x
  2. Step 2: Convert to fraction form
    26,987.82/40,486.59 = 12,935.94/x
  3. Step 3: Cross multiply
    26,987.82x = 40,486.59 × 12,935.94
  4. Step 4: Simplify right side
    26,987.82x = 523,732,099.04
  5. Step 5: Solve for x
    x = 523,732,099.04/26,987.82
  6. Step 6: Final answer
    x = 19,406.24

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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.