Home / 27,768.51-38,320.58-15,193.26

Finding the Fourth Proportional to 27,768.51, 38,320.58 and 15,193.26

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Solution

The fourth proportional to 27,768.51, 38,320.58 and 15,193.26 is: 20,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,768.51 : 38,320.58 = 15,193.26 : x
  2. Step 2: Convert to fraction form
    27,768.51/38,320.58 = 15,193.26/x
  3. Step 3: Cross multiply
    27,768.51x = 38,320.58 × 15,193.26
  4. Step 4: Simplify right side
    27,768.51x = 582,214,573.27
  5. Step 5: Solve for x
    x = 582,214,573.27/27,768.51
  6. Step 6: Final answer
    x = 20,966.72

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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.