Home / 27,528.96-37,990.56-16,912.48

Finding the Fourth Proportional to 27,528.96, 37,990.56 and 16,912.48

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Solution

The fourth proportional to 27,528.96, 37,990.56 and 16,912.48 is: 23,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,528.96 : 37,990.56 = 16,912.48 : x
  2. Step 2: Convert to fraction form
    27,528.96/37,990.56 = 16,912.48/x
  3. Step 3: Cross multiply
    27,528.96x = 37,990.56 × 16,912.48
  4. Step 4: Simplify right side
    27,528.96x = 642,514,586.19
  5. Step 5: Solve for x
    x = 642,514,586.19/27,528.96
  6. Step 6: Final answer
    x = 23,339.59

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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.