Home / 26,078.08-39,122.40-8,546.08

Finding the Fourth Proportional to 26,078.08, 39,122.40 and 8,546.08

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Solution

The fourth proportional to 26,078.08, 39,122.40 and 8,546.08 is: 12,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.08 : 39,122.40 = 8,546.08 : x
  2. Step 2: Convert to fraction form
    26,078.08/39,122.40 = 8,546.08/x
  3. Step 3: Cross multiply
    26,078.08x = 39,122.40 × 8,546.08
  4. Step 4: Simplify right side
    26,078.08x = 334,343,160.19
  5. Step 5: Solve for x
    x = 334,343,160.19/26,078.08
  6. Step 6: Final answer
    x = 12,820.85

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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.