Home / 26,311.32-39,486.42-19,750.32

Finding the Fourth Proportional to 26,311.32, 39,486.42 and 19,750.32

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Solution

The fourth proportional to 26,311.32, 39,486.42 and 19,750.32 is: 29,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.32 : 39,486.42 = 19,750.32 : x
  2. Step 2: Convert to fraction form
    26,311.32/39,486.42 = 19,750.32/x
  3. Step 3: Cross multiply
    26,311.32x = 39,486.42 × 19,750.32
  4. Step 4: Simplify right side
    26,311.32x = 779,869,430.65
  5. Step 5: Solve for x
    x = 779,869,430.65/26,311.32
  6. Step 6: Final answer
    x = 29,640.07

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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.