Home / 27,693.19-38,238.38-22,298.50

Finding the Fourth Proportional to 27,693.19, 38,238.38 and 22,298.50

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Solution

The fourth proportional to 27,693.19, 38,238.38 and 22,298.50 is: 30,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.19 : 38,238.38 = 22,298.50 : x
  2. Step 2: Convert to fraction form
    27,693.19/38,238.38 = 22,298.50/x
  3. Step 3: Cross multiply
    27,693.19x = 38,238.38 × 22,298.50
  4. Step 4: Simplify right side
    27,693.19x = 852,658,516.43
  5. Step 5: Solve for x
    x = 852,658,516.43/27,693.19
  6. Step 6: Final answer
    x = 30,789.47

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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.