Home / 27,724.40-38,266.54-15,794.82

Finding the Fourth Proportional to 27,724.40, 38,266.54 and 15,794.82

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Solution

The fourth proportional to 27,724.40, 38,266.54 and 15,794.82 is: 21,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,724.40 : 38,266.54 = 15,794.82 : x
  2. Step 2: Convert to fraction form
    27,724.40/38,266.54 = 15,794.82/x
  3. Step 3: Cross multiply
    27,724.40x = 38,266.54 × 15,794.82
  4. Step 4: Simplify right side
    27,724.40x = 604,413,167.50
  5. Step 5: Solve for x
    x = 604,413,167.50/27,724.40
  6. Step 6: Final answer
    x = 21,800.77

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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.