Home / 26,658.55-39,988.50-6,938.02

Finding the Fourth Proportional to 26,658.55, 39,988.50 and 6,938.02

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Solution

The fourth proportional to 26,658.55, 39,988.50 and 6,938.02 is: 10,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,658.55 : 39,988.50 = 6,938.02 : x
  2. Step 2: Convert to fraction form
    26,658.55/39,988.50 = 6,938.02/x
  3. Step 3: Cross multiply
    26,658.55x = 39,988.50 × 6,938.02
  4. Step 4: Simplify right side
    26,658.55x = 277,441,012.77
  5. Step 5: Solve for x
    x = 277,441,012.77/26,658.55
  6. Step 6: Final answer
    x = 10,407.21

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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.