Home / 27,621.33-41,399.85-15,783.40

Finding the Fourth Proportional to 27,621.33, 41,399.85 and 15,783.40

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Solution

The fourth proportional to 27,621.33, 41,399.85 and 15,783.40 is: 23,656.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.33 : 41,399.85 = 15,783.40 : x
  2. Step 2: Convert to fraction form
    27,621.33/41,399.85 = 15,783.40/x
  3. Step 3: Cross multiply
    27,621.33x = 41,399.85 × 15,783.40
  4. Step 4: Simplify right side
    27,621.33x = 653,430,392.49
  5. Step 5: Solve for x
    x = 653,430,392.49/27,621.33
  6. Step 6: Final answer
    x = 23,656.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.