Home / 27,090.99-40,627.31-8,368.52

Finding the Fourth Proportional to 27,090.99, 40,627.31 and 8,368.52

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Solution

The fourth proportional to 27,090.99, 40,627.31 and 8,368.52 is: 12,549.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,090.99 : 40,627.31 = 8,368.52 : x
  2. Step 2: Convert to fraction form
    27,090.99/40,627.31 = 8,368.52/x
  3. Step 3: Cross multiply
    27,090.99x = 40,627.31 × 8,368.52
  4. Step 4: Simplify right side
    27,090.99x = 339,990,211.30
  5. Step 5: Solve for x
    x = 339,990,211.30/27,090.99
  6. Step 6: Final answer
    x = 12,549.94

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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.