Home / 17,981.45-26,971.20-5,501.48

Finding the Fourth Proportional to 17,981.45, 26,971.20 and 5,501.48

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Solution

The fourth proportional to 17,981.45, 26,971.20 and 5,501.48 is: 8,251.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,981.45 : 26,971.20 = 5,501.48 : x
  2. Step 2: Convert to fraction form
    17,981.45/26,971.20 = 5,501.48/x
  3. Step 3: Cross multiply
    17,981.45x = 26,971.20 × 5,501.48
  4. Step 4: Simplify right side
    17,981.45x = 148,381,483.66
  5. Step 5: Solve for x
    x = 148,381,483.66/17,981.45
  6. Step 6: Final answer
    x = 8,251.92

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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.