Home / 26,861.40-40,292.09-10,217.59

Finding the Fourth Proportional to 26,861.40, 40,292.09 and 10,217.59

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Solution

The fourth proportional to 26,861.40, 40,292.09 and 10,217.59 is: 15,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.40 : 40,292.09 = 10,217.59 : x
  2. Step 2: Convert to fraction form
    26,861.40/40,292.09 = 10,217.59/x
  3. Step 3: Cross multiply
    26,861.40x = 40,292.09 × 10,217.59
  4. Step 4: Simplify right side
    26,861.40x = 411,688,055.86
  5. Step 5: Solve for x
    x = 411,688,055.86/26,861.40
  6. Step 6: Final answer
    x = 15,326.38

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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.