Home / 27,774.28-38,327.56-15,841.46

Finding the Fourth Proportional to 27,774.28, 38,327.56 and 15,841.46

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Solution

The fourth proportional to 27,774.28, 38,327.56 and 15,841.46 is: 21,860.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,774.28 : 38,327.56 = 15,841.46 : x
  2. Step 2: Convert to fraction form
    27,774.28/38,327.56 = 15,841.46/x
  3. Step 3: Cross multiply
    27,774.28x = 38,327.56 × 15,841.46
  4. Step 4: Simplify right side
    27,774.28x = 607,164,429.43
  5. Step 5: Solve for x
    x = 607,164,429.43/27,774.28
  6. Step 6: Final answer
    x = 21,860.67

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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.