Home / 27,827.88-38,402.46-15,252.36

Finding the Fourth Proportional to 27,827.88, 38,402.46 and 15,252.36

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Solution

The fourth proportional to 27,827.88, 38,402.46 and 15,252.36 is: 21,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,827.88 : 38,402.46 = 15,252.36 : x
  2. Step 2: Convert to fraction form
    27,827.88/38,402.46 = 15,252.36/x
  3. Step 3: Cross multiply
    27,827.88x = 38,402.46 × 15,252.36
  4. Step 4: Simplify right side
    27,827.88x = 585,728,144.81
  5. Step 5: Solve for x
    x = 585,728,144.81/27,827.88
  6. Step 6: Final answer
    x = 21,048.25

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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.