Home / 27,640.02-41,459.84-7,918.60

Finding the Fourth Proportional to 27,640.02, 41,459.84 and 7,918.60

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Solution

The fourth proportional to 27,640.02, 41,459.84 and 7,918.60 is: 11,877.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.02 : 41,459.84 = 7,918.60 : x
  2. Step 2: Convert to fraction form
    27,640.02/41,459.84 = 7,918.60/x
  3. Step 3: Cross multiply
    27,640.02x = 41,459.84 × 7,918.60
  4. Step 4: Simplify right side
    27,640.02x = 328,303,889.02
  5. Step 5: Solve for x
    x = 328,303,889.02/27,640.02
  6. Step 6: Final answer
    x = 11,877.85

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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.