Home / 27,794.27-38,355.70-15,219.02

Finding the Fourth Proportional to 27,794.27, 38,355.70 and 15,219.02

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Solution

The fourth proportional to 27,794.27, 38,355.70 and 15,219.02 is: 21,002.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,794.27 : 38,355.70 = 15,219.02 : x
  2. Step 2: Convert to fraction form
    27,794.27/38,355.70 = 15,219.02/x
  3. Step 3: Cross multiply
    27,794.27x = 38,355.70 × 15,219.02
  4. Step 4: Simplify right side
    27,794.27x = 583,736,165.41
  5. Step 5: Solve for x
    x = 583,736,165.41/27,794.27
  6. Step 6: Final answer
    x = 21,002.03

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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.