Home / 27,407.85-41,114.69-8,690.55

Finding the Fourth Proportional to 27,407.85, 41,114.69 and 8,690.55

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Solution

The fourth proportional to 27,407.85, 41,114.69 and 8,690.55 is: 13,036.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.85 : 41,114.69 = 8,690.55 : x
  2. Step 2: Convert to fraction form
    27,407.85/41,114.69 = 8,690.55/x
  3. Step 3: Cross multiply
    27,407.85x = 41,114.69 × 8,690.55
  4. Step 4: Simplify right side
    27,407.85x = 357,309,225.73
  5. Step 5: Solve for x
    x = 357,309,225.73/27,407.85
  6. Step 6: Final answer
    x = 13,036.75

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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.