Home / 26,510.67-39,771.85-8,740.62

Finding the Fourth Proportional to 26,510.67, 39,771.85 and 8,740.62

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Solution

The fourth proportional to 26,510.67, 39,771.85 and 8,740.62 is: 13,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,510.67 : 39,771.85 = 8,740.62 : x
  2. Step 2: Convert to fraction form
    26,510.67/39,771.85 = 8,740.62/x
  3. Step 3: Cross multiply
    26,510.67x = 39,771.85 × 8,740.62
  4. Step 4: Simplify right side
    26,510.67x = 347,630,605.70
  5. Step 5: Solve for x
    x = 347,630,605.70/26,510.67
  6. Step 6: Final answer
    x = 13,112.86

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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.