Home / 27,830.74-38,412.21-25,589.06

Finding the Fourth Proportional to 27,830.74, 38,412.21 and 25,589.06

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Solution

The fourth proportional to 27,830.74, 38,412.21 and 25,589.06 is: 35,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.74 : 38,412.21 = 25,589.06 : x
  2. Step 2: Convert to fraction form
    27,830.74/38,412.21 = 25,589.06/x
  3. Step 3: Cross multiply
    27,830.74x = 38,412.21 × 25,589.06
  4. Step 4: Simplify right side
    27,830.74x = 982,932,346.42
  5. Step 5: Solve for x
    x = 982,932,346.42/27,830.74
  6. Step 6: Final answer
    x = 35,318.23

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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.