Home / 27,282.32-37,486.42-21,683.60

Finding the Fourth Proportional to 27,282.32, 37,486.42 and 21,683.60

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Solution

The fourth proportional to 27,282.32, 37,486.42 and 21,683.60 is: 29,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,282.32 : 37,486.42 = 21,683.60 : x
  2. Step 2: Convert to fraction form
    27,282.32/37,486.42 = 21,683.60/x
  3. Step 3: Cross multiply
    27,282.32x = 37,486.42 × 21,683.60
  4. Step 4: Simplify right side
    27,282.32x = 812,840,536.71
  5. Step 5: Solve for x
    x = 812,840,536.71/27,282.32
  6. Step 6: Final answer
    x = 29,793.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.