Home / 27,802.46-38,367.42-15,055.67

Finding the Fourth Proportional to 27,802.46, 38,367.42 and 15,055.67

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Solution

The fourth proportional to 27,802.46, 38,367.42 and 15,055.67 is: 20,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.46 : 38,367.42 = 15,055.67 : x
  2. Step 2: Convert to fraction form
    27,802.46/38,367.42 = 15,055.67/x
  3. Step 3: Cross multiply
    27,802.46x = 38,367.42 × 15,055.67
  4. Step 4: Simplify right side
    27,802.46x = 577,647,214.27
  5. Step 5: Solve for x
    x = 577,647,214.27/27,802.46
  6. Step 6: Final answer
    x = 20,776.84

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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.