Home / 27,864.14-38,452.51-15,927.73

Finding the Fourth Proportional to 27,864.14, 38,452.51 and 15,927.73

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Solution

The fourth proportional to 27,864.14, 38,452.51 and 15,927.73 is: 21,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.14 : 38,452.51 = 15,927.73 : x
  2. Step 2: Convert to fraction form
    27,864.14/38,452.51 = 15,927.73/x
  3. Step 3: Cross multiply
    27,864.14x = 38,452.51 × 15,927.73
  4. Step 4: Simplify right side
    27,864.14x = 612,461,157.28
  5. Step 5: Solve for x
    x = 612,461,157.28/27,864.14
  6. Step 6: Final answer
    x = 21,980.27

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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.