Home / 27,431.85-37,855.92-14,856.60

Finding the Fourth Proportional to 27,431.85, 37,855.92 and 14,856.60

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Solution

The fourth proportional to 27,431.85, 37,855.92 and 14,856.60 is: 20,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,431.85 : 37,855.92 = 14,856.60 : x
  2. Step 2: Convert to fraction form
    27,431.85/37,855.92 = 14,856.60/x
  3. Step 3: Cross multiply
    27,431.85x = 37,855.92 × 14,856.60
  4. Step 4: Simplify right side
    27,431.85x = 562,410,261.07
  5. Step 5: Solve for x
    x = 562,410,261.07/27,431.85
  6. Step 6: Final answer
    x = 20,502.09

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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.