Home / 27,622.83-38,119.52-15,047.58

Finding the Fourth Proportional to 27,622.83, 38,119.52 and 15,047.58

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Solution

The fourth proportional to 27,622.83, 38,119.52 and 15,047.58 is: 20,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,622.83 : 38,119.52 = 15,047.58 : x
  2. Step 2: Convert to fraction form
    27,622.83/38,119.52 = 15,047.58/x
  3. Step 3: Cross multiply
    27,622.83x = 38,119.52 × 15,047.58
  4. Step 4: Simplify right side
    27,622.83x = 573,606,526.76
  5. Step 5: Solve for x
    x = 573,606,526.76/27,622.83
  6. Step 6: Final answer
    x = 20,765.67

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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.