Home / 26,861.21-40,291.81-10,217.40

Finding the Fourth Proportional to 26,861.21, 40,291.81 and 10,217.40

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Solution

The fourth proportional to 26,861.21, 40,291.81 and 10,217.40 is: 15,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.21 : 40,291.81 = 10,217.40 : x
  2. Step 2: Convert to fraction form
    26,861.21/40,291.81 = 10,217.40/x
  3. Step 3: Cross multiply
    26,861.21x = 40,291.81 × 10,217.40
  4. Step 4: Simplify right side
    26,861.21x = 411,677,539.49
  5. Step 5: Solve for x
    x = 411,677,539.49/26,861.21
  6. Step 6: Final answer
    x = 15,326.10

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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.