Home / 27,129.06-40,677.90-8,404.08

Finding the Fourth Proportional to 27,129.06, 40,677.90 and 8,404.08

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Solution

The fourth proportional to 27,129.06, 40,677.90 and 8,404.08 is: 12,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.06 : 40,677.90 = 8,404.08 : x
  2. Step 2: Convert to fraction form
    27,129.06/40,677.90 = 8,404.08/x
  3. Step 3: Cross multiply
    27,129.06x = 40,677.90 × 8,404.08
  4. Step 4: Simplify right side
    27,129.06x = 341,860,325.83
  5. Step 5: Solve for x
    x = 341,860,325.83/27,129.06
  6. Step 6: Final answer
    x = 12,601.26

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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.