Home / 27,435.99-41,153.40-12,644.91

Finding the Fourth Proportional to 27,435.99, 41,153.40 and 12,644.91

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Solution

The fourth proportional to 27,435.99, 41,153.40 and 12,644.91 is: 18,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,435.99 : 41,153.40 = 12,644.91 : x
  2. Step 2: Convert to fraction form
    27,435.99/41,153.40 = 12,644.91/x
  3. Step 3: Cross multiply
    27,435.99x = 41,153.40 × 12,644.91
  4. Step 4: Simplify right side
    27,435.99x = 520,380,985.74
  5. Step 5: Solve for x
    x = 520,380,985.74/27,435.99
  6. Step 6: Final answer
    x = 18,967.09

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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.