Home / 27,130.78-40,647.57-9,589.42

Finding the Fourth Proportional to 27,130.78, 40,647.57 and 9,589.42

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Solution

The fourth proportional to 27,130.78, 40,647.57 and 9,589.42 is: 14,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,130.78 : 40,647.57 = 9,589.42 : x
  2. Step 2: Convert to fraction form
    27,130.78/40,647.57 = 9,589.42/x
  3. Step 3: Cross multiply
    27,130.78x = 40,647.57 × 9,589.42
  4. Step 4: Simplify right side
    27,130.78x = 389,786,620.71
  5. Step 5: Solve for x
    x = 389,786,620.71/27,130.78
  6. Step 6: Final answer
    x = 14,366.95

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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.