Home / 27,012.12-40,518.18-7,290.67

Finding the Fourth Proportional to 27,012.12, 40,518.18 and 7,290.67

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Solution

The fourth proportional to 27,012.12, 40,518.18 and 7,290.67 is: 10,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.12 : 40,518.18 = 7,290.67 : x
  2. Step 2: Convert to fraction form
    27,012.12/40,518.18 = 7,290.67/x
  3. Step 3: Cross multiply
    27,012.12x = 40,518.18 × 7,290.67
  4. Step 4: Simplify right side
    27,012.12x = 295,404,679.38
  5. Step 5: Solve for x
    x = 295,404,679.38/27,012.12
  6. Step 6: Final answer
    x = 10,936.01

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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.