Home / 27,737.15-38,267.91-15,792.03

Finding the Fourth Proportional to 27,737.15, 38,267.91 and 15,792.03

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Solution

The fourth proportional to 27,737.15, 38,267.91 and 15,792.03 is: 21,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.15 : 38,267.91 = 15,792.03 : x
  2. Step 2: Convert to fraction form
    27,737.15/38,267.91 = 15,792.03/x
  3. Step 3: Cross multiply
    27,737.15x = 38,267.91 × 15,792.03
  4. Step 4: Simplify right side
    27,737.15x = 604,327,982.76
  5. Step 5: Solve for x
    x = 604,327,982.76/27,737.15
  6. Step 6: Final answer
    x = 21,787.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.