Home / 27,218.95-40,828.67-7,498.60

Finding the Fourth Proportional to 27,218.95, 40,828.67 and 7,498.60

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Solution

The fourth proportional to 27,218.95, 40,828.67 and 7,498.60 is: 11,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.95 : 40,828.67 = 7,498.60 : x
  2. Step 2: Convert to fraction form
    27,218.95/40,828.67 = 7,498.60/x
  3. Step 3: Cross multiply
    27,218.95x = 40,828.67 × 7,498.60
  4. Step 4: Simplify right side
    27,218.95x = 306,157,864.86
  5. Step 5: Solve for x
    x = 306,157,864.86/27,218.95
  6. Step 6: Final answer
    x = 11,247.97

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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.