Home / 27,485.56-37,930.27-14,910.40

Finding the Fourth Proportional to 27,485.56, 37,930.27 and 14,910.40

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Solution

The fourth proportional to 27,485.56, 37,930.27 and 14,910.40 is: 20,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.56 : 37,930.27 = 14,910.40 : x
  2. Step 2: Convert to fraction form
    27,485.56/37,930.27 = 14,910.40/x
  3. Step 3: Cross multiply
    27,485.56x = 37,930.27 × 14,910.40
  4. Step 4: Simplify right side
    27,485.56x = 565,555,497.81
  5. Step 5: Solve for x
    x = 565,555,497.81/27,485.56
  6. Step 6: Final answer
    x = 20,576.46

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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.