Home / 26,088.20-39,128.30-8,558.04

Finding the Fourth Proportional to 26,088.20, 39,128.30 and 8,558.04

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Solution

The fourth proportional to 26,088.20, 39,128.30 and 8,558.04 is: 12,835.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,088.20 : 39,128.30 = 8,558.04 : x
  2. Step 2: Convert to fraction form
    26,088.20/39,128.30 = 8,558.04/x
  3. Step 3: Cross multiply
    26,088.20x = 39,128.30 × 8,558.04
  4. Step 4: Simplify right side
    26,088.20x = 334,861,556.53
  5. Step 5: Solve for x
    x = 334,861,556.53/26,088.20
  6. Step 6: Final answer
    x = 12,835.75

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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.