Home / 27,951.92-38,572.86-15,376.67

Finding the Fourth Proportional to 27,951.92, 38,572.86 and 15,376.67

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Solution

The fourth proportional to 27,951.92, 38,572.86 and 15,376.67 is: 21,219.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,951.92 : 38,572.86 = 15,376.67 : x
  2. Step 2: Convert to fraction form
    27,951.92/38,572.86 = 15,376.67/x
  3. Step 3: Cross multiply
    27,951.92x = 38,572.86 × 15,376.67
  4. Step 4: Simplify right side
    27,951.92x = 593,122,139.18
  5. Step 5: Solve for x
    x = 593,122,139.18/27,951.92
  6. Step 6: Final answer
    x = 21,219.37

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1.5x scale

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.