Home / 27,420.34-41,130.87-9,651.56

Finding the Fourth Proportional to 27,420.34, 41,130.87 and 9,651.56

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Solution

The fourth proportional to 27,420.34, 41,130.87 and 9,651.56 is: 14,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.34 : 41,130.87 = 9,651.56 : x
  2. Step 2: Convert to fraction form
    27,420.34/41,130.87 = 9,651.56/x
  3. Step 3: Cross multiply
    27,420.34x = 41,130.87 × 9,651.56
  4. Step 4: Simplify right side
    27,420.34x = 396,976,872.10
  5. Step 5: Solve for x
    x = 396,976,872.10/27,420.34
  6. Step 6: Final answer
    x = 14,477.46

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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.