Home / 27,448.59-37,878.08-15,511.67

Finding the Fourth Proportional to 27,448.59, 37,878.08 and 15,511.67

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Solution

The fourth proportional to 27,448.59, 37,878.08 and 15,511.67 is: 21,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,448.59 : 37,878.08 = 15,511.67 : x
  2. Step 2: Convert to fraction form
    27,448.59/37,878.08 = 15,511.67/x
  3. Step 3: Cross multiply
    27,448.59x = 37,878.08 × 15,511.67
  4. Step 4: Simplify right side
    27,448.59x = 587,552,010.24
  5. Step 5: Solve for x
    x = 587,552,010.24/27,448.59
  6. Step 6: Final answer
    x = 21,405.54

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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.