Home / 27,810.72-41,716.58-9,090.80

Finding the Fourth Proportional to 27,810.72, 41,716.58 and 9,090.80

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Solution

The fourth proportional to 27,810.72, 41,716.58 and 9,090.80 is: 13,636.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.72 : 41,716.58 = 9,090.80 : x
  2. Step 2: Convert to fraction form
    27,810.72/41,716.58 = 9,090.80/x
  3. Step 3: Cross multiply
    27,810.72x = 41,716.58 × 9,090.80
  4. Step 4: Simplify right side
    27,810.72x = 379,237,085.46
  5. Step 5: Solve for x
    x = 379,237,085.46/27,810.72
  6. Step 6: Final answer
    x = 13,636.36

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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.