Home / 27,972.92-38,602.63-15,226.15

Finding the Fourth Proportional to 27,972.92, 38,602.63 and 15,226.15

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Solution

The fourth proportional to 27,972.92, 38,602.63 and 15,226.15 is: 21,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972.92 : 38,602.63 = 15,226.15 : x
  2. Step 2: Convert to fraction form
    27,972.92/38,602.63 = 15,226.15/x
  3. Step 3: Cross multiply
    27,972.92x = 38,602.63 × 15,226.15
  4. Step 4: Simplify right side
    27,972.92x = 587,769,434.77
  5. Step 5: Solve for x
    x = 587,769,434.77/27,972.92
  6. Step 6: Final answer
    x = 21,012.09

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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.