Home / 26,861.70-40,292.50-7,140.26

Finding the Fourth Proportional to 26,861.70, 40,292.50 and 7,140.26

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Solution

The fourth proportional to 26,861.70, 40,292.50 and 7,140.26 is: 10,710.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.70 : 40,292.50 = 7,140.26 : x
  2. Step 2: Convert to fraction form
    26,861.70/40,292.50 = 7,140.26/x
  3. Step 3: Cross multiply
    26,861.70x = 40,292.50 × 7,140.26
  4. Step 4: Simplify right side
    26,861.70x = 287,698,733.51
  5. Step 5: Solve for x
    x = 287,698,733.51/26,861.70
  6. Step 6: Final answer
    x = 10,710.37

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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.