Home / 26,870.18-40,289.64-19,758.67

Finding the Fourth Proportional to 26,870.18, 40,289.64 and 19,758.67

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Solution

The fourth proportional to 26,870.18, 40,289.64 and 19,758.67 is: 29,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,870.18 : 40,289.64 = 19,758.67 : x
  2. Step 2: Convert to fraction form
    26,870.18/40,289.64 = 19,758.67/x
  3. Step 3: Cross multiply
    26,870.18x = 40,289.64 × 19,758.67
  4. Step 4: Simplify right side
    26,870.18x = 796,069,701.18
  5. Step 5: Solve for x
    x = 796,069,701.18/26,870.18
  6. Step 6: Final answer
    x = 29,626.51

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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.