Home / 26,087.20-39,126.80-8,557.04

Finding the Fourth Proportional to 26,087.20, 39,126.80 and 8,557.04

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Solution

The fourth proportional to 26,087.20, 39,126.80 and 8,557.04 is: 12,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087.20 : 39,126.80 = 8,557.04 : x
  2. Step 2: Convert to fraction form
    26,087.20/39,126.80 = 8,557.04/x
  3. Step 3: Cross multiply
    26,087.20x = 39,126.80 × 8,557.04
  4. Step 4: Simplify right side
    26,087.20x = 334,809,592.67
  5. Step 5: Solve for x
    x = 334,809,592.67/26,087.20
  6. Step 6: Final answer
    x = 12,834.25

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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.