Home / 19,291.86-28,941.42-13,066.20

Finding the Fourth Proportional to 19,291.86, 28,941.42 and 13,066.20

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Solution

The fourth proportional to 19,291.86, 28,941.42 and 13,066.20 is: 19,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.86 : 28,941.42 = 13,066.20 : x
  2. Step 2: Convert to fraction form
    19,291.86/28,941.42 = 13,066.20/x
  3. Step 3: Cross multiply
    19,291.86x = 28,941.42 × 13,066.20
  4. Step 4: Simplify right side
    19,291.86x = 378,154,382.00
  5. Step 5: Solve for x
    x = 378,154,382.00/19,291.86
  6. Step 6: Final answer
    x = 19,601.76

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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.