Home / 27,810.45-41,720.22-9,085.05

Finding the Fourth Proportional to 27,810.45, 41,720.22 and 9,085.05

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Solution

The fourth proportional to 27,810.45, 41,720.22 and 9,085.05 is: 13,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.45 : 41,720.22 = 9,085.05 : x
  2. Step 2: Convert to fraction form
    27,810.45/41,720.22 = 9,085.05/x
  3. Step 3: Cross multiply
    27,810.45x = 41,720.22 × 9,085.05
  4. Step 4: Simplify right side
    27,810.45x = 379,030,284.71
  5. Step 5: Solve for x
    x = 379,030,284.71/27,810.45
  6. Step 6: Final answer
    x = 13,629.06

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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.