Home / 26,670.76-40,004.88-6,680.41

Finding the Fourth Proportional to 26,670.76, 40,004.88 and 6,680.41

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Solution

The fourth proportional to 26,670.76, 40,004.88 and 6,680.41 is: 10,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.76 : 40,004.88 = 6,680.41 : x
  2. Step 2: Convert to fraction form
    26,670.76/40,004.88 = 6,680.41/x
  3. Step 3: Cross multiply
    26,670.76x = 40,004.88 × 6,680.41
  4. Step 4: Simplify right side
    26,670.76x = 267,249,000.40
  5. Step 5: Solve for x
    x = 267,249,000.40/26,670.76
  6. Step 6: Final answer
    x = 10,020.30

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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.