Home / 27,658.91-38,158.44-17,030.09

Finding the Fourth Proportional to 27,658.91, 38,158.44 and 17,030.09

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Solution

The fourth proportional to 27,658.91, 38,158.44 and 17,030.09 is: 23,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658.91 : 38,158.44 = 17,030.09 : x
  2. Step 2: Convert to fraction form
    27,658.91/38,158.44 = 17,030.09/x
  3. Step 3: Cross multiply
    27,658.91x = 38,158.44 × 17,030.09
  4. Step 4: Simplify right side
    27,658.91x = 649,841,476.67
  5. Step 5: Solve for x
    x = 649,841,476.67/27,658.91
  6. Step 6: Final answer
    x = 23,494.84

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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.