Home / 27,476.86-41,220.41-12,485.03

Finding the Fourth Proportional to 27,476.86, 41,220.41 and 12,485.03

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Solution

The fourth proportional to 27,476.86, 41,220.41 and 12,485.03 is: 18,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,476.86 : 41,220.41 = 12,485.03 : x
  2. Step 2: Convert to fraction form
    27,476.86/41,220.41 = 12,485.03/x
  3. Step 3: Cross multiply
    27,476.86x = 41,220.41 × 12,485.03
  4. Step 4: Simplify right side
    27,476.86x = 514,638,055.46
  5. Step 5: Solve for x
    x = 514,638,055.46/27,476.86
  6. Step 6: Final answer
    x = 18,729.87

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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.