Home / 19,605.42-27,066.66-12,910.50

Finding the Fourth Proportional to 19,605.42, 27,066.66 and 12,910.50

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Solution

The fourth proportional to 19,605.42, 27,066.66 and 12,910.50 is: 17,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.42 : 27,066.66 = 12,910.50 : x
  2. Step 2: Convert to fraction form
    19,605.42/27,066.66 = 12,910.50/x
  3. Step 3: Cross multiply
    19,605.42x = 27,066.66 × 12,910.50
  4. Step 4: Simplify right side
    19,605.42x = 349,444,113.93
  5. Step 5: Solve for x
    x = 349,444,113.93/19,605.42
  6. Step 6: Final answer
    x = 17,823.85

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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.