Home / 27,615.96-38,087.50-16,986.52

Finding the Fourth Proportional to 27,615.96, 38,087.50 and 16,986.52

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Solution

The fourth proportional to 27,615.96, 38,087.50 and 16,986.52 is: 23,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.96 : 38,087.50 = 16,986.52 : x
  2. Step 2: Convert to fraction form
    27,615.96/38,087.50 = 16,986.52/x
  3. Step 3: Cross multiply
    27,615.96x = 38,087.50 × 16,986.52
  4. Step 4: Simplify right side
    27,615.96x = 646,974,080.50
  5. Step 5: Solve for x
    x = 646,974,080.50/27,615.96
  6. Step 6: Final answer
    x = 23,427.54

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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.