Home / 27,970.75-41,916.93-13,917.45

Finding the Fourth Proportional to 27,970.75, 41,916.93 and 13,917.45

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Solution

The fourth proportional to 27,970.75, 41,916.93 and 13,917.45 is: 20,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.75 : 41,916.93 = 13,917.45 : x
  2. Step 2: Convert to fraction form
    27,970.75/41,916.93 = 13,917.45/x
  3. Step 3: Cross multiply
    27,970.75x = 41,916.93 × 13,917.45
  4. Step 4: Simplify right side
    27,970.75x = 583,376,777.43
  5. Step 5: Solve for x
    x = 583,376,777.43/27,970.75
  6. Step 6: Final answer
    x = 20,856.67

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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.