Home / 22,728.95-34,107.62-8,690.16

Finding the Fourth Proportional to 22,728.95, 34,107.62 and 8,690.16

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Solution

The fourth proportional to 22,728.95, 34,107.62 and 8,690.16 is: 13,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.95 : 34,107.62 = 8,690.16 : x
  2. Step 2: Convert to fraction form
    22,728.95/34,107.62 = 8,690.16/x
  3. Step 3: Cross multiply
    22,728.95x = 34,107.62 × 8,690.16
  4. Step 4: Simplify right side
    22,728.95x = 296,400,675.02
  5. Step 5: Solve for x
    x = 296,400,675.02/22,728.95
  6. Step 6: Final answer
    x = 13,040.67

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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.