Home / 26,859.61-40,286.67-7,140.16

Finding the Fourth Proportional to 26,859.61, 40,286.67 and 7,140.16

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Solution

The fourth proportional to 26,859.61, 40,286.67 and 7,140.16 is: 10,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.61 : 40,286.67 = 7,140.16 : x
  2. Step 2: Convert to fraction form
    26,859.61/40,286.67 = 7,140.16/x
  3. Step 3: Cross multiply
    26,859.61x = 40,286.67 × 7,140.16
  4. Step 4: Simplify right side
    26,859.61x = 287,653,269.67
  5. Step 5: Solve for x
    x = 287,653,269.67/26,859.61
  6. Step 6: Final answer
    x = 10,709.51

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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.