Home / 28,707.91-43,066.32-14,660.34

Finding the Fourth Proportional to 28,707.91, 43,066.32 and 14,660.34

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Solution

The fourth proportional to 28,707.91, 43,066.32 and 14,660.34 is: 21,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.91 : 43,066.32 = 14,660.34 : x
  2. Step 2: Convert to fraction form
    28,707.91/43,066.32 = 14,660.34/x
  3. Step 3: Cross multiply
    28,707.91x = 43,066.32 × 14,660.34
  4. Step 4: Simplify right side
    28,707.91x = 631,366,677.27
  5. Step 5: Solve for x
    x = 631,366,677.27/28,707.91
  6. Step 6: Final answer
    x = 21,992.78

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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.