Home / 27,786.40-41,681.76-8,065.24

Finding the Fourth Proportional to 27,786.40, 41,681.76 and 8,065.24

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Solution

The fourth proportional to 27,786.40, 41,681.76 and 8,065.24 is: 12,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786.40 : 41,681.76 = 8,065.24 : x
  2. Step 2: Convert to fraction form
    27,786.40/41,681.76 = 8,065.24/x
  3. Step 3: Cross multiply
    27,786.40x = 41,681.76 × 8,065.24
  4. Step 4: Simplify right side
    27,786.40x = 336,173,398.02
  5. Step 5: Solve for x
    x = 336,173,398.02/27,786.40
  6. Step 6: Final answer
    x = 12,098.49

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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.