Home / 27,218.88-40,827.60-7,498.80

Finding the Fourth Proportional to 27,218.88, 40,827.60 and 7,498.80

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Solution

The fourth proportional to 27,218.88, 40,827.60 and 7,498.80 is: 11,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.88 : 40,827.60 = 7,498.80 : x
  2. Step 2: Convert to fraction form
    27,218.88/40,827.60 = 7,498.80/x
  3. Step 3: Cross multiply
    27,218.88x = 40,827.60 × 7,498.80
  4. Step 4: Simplify right side
    27,218.88x = 306,158,006.88
  5. Step 5: Solve for x
    x = 306,158,006.88/27,218.88
  6. Step 6: Final answer
    x = 11,248.00

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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.