Home / 27,129.02-40,682.58-8,404.64

Finding the Fourth Proportional to 27,129.02, 40,682.58 and 8,404.64

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Solution

The fourth proportional to 27,129.02, 40,682.58 and 8,404.64 is: 12,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.02 : 40,682.58 = 8,404.64 : x
  2. Step 2: Convert to fraction form
    27,129.02/40,682.58 = 8,404.64/x
  3. Step 3: Cross multiply
    27,129.02x = 40,682.58 × 8,404.64
  4. Step 4: Simplify right side
    27,129.02x = 341,922,439.17
  5. Step 5: Solve for x
    x = 341,922,439.17/27,129.02
  6. Step 6: Final answer
    x = 12,603.57

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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.