Home / 17,938.86-26,902.81-14,420.52

Finding the Fourth Proportional to 17,938.86, 26,902.81 and 14,420.52

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Solution

The fourth proportional to 17,938.86, 26,902.81 and 14,420.52 is: 21,626.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.86 : 26,902.81 = 14,420.52 : x
  2. Step 2: Convert to fraction form
    17,938.86/26,902.81 = 14,420.52/x
  3. Step 3: Cross multiply
    17,938.86x = 26,902.81 × 14,420.52
  4. Step 4: Simplify right side
    17,938.86x = 387,952,527.69
  5. Step 5: Solve for x
    x = 387,952,527.69/17,938.86
  6. Step 6: Final answer
    x = 21,626.38

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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.