Home / 27,222.75-40,798.49-18,513.63

Finding the Fourth Proportional to 27,222.75, 40,798.49 and 18,513.63

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Solution

The fourth proportional to 27,222.75, 40,798.49 and 18,513.63 is: 27,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,222.75 : 40,798.49 = 18,513.63 : x
  2. Step 2: Convert to fraction form
    27,222.75/40,798.49 = 18,513.63/x
  3. Step 3: Cross multiply
    27,222.75x = 40,798.49 × 18,513.63
  4. Step 4: Simplify right side
    27,222.75x = 755,328,055.85
  5. Step 5: Solve for x
    x = 755,328,055.85/27,222.75
  6. Step 6: Final answer
    x = 27,746.21

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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.