Home / 20,717.26-28,600.41-14,038.18

Finding the Fourth Proportional to 20,717.26, 28,600.41 and 14,038.18

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Solution

The fourth proportional to 20,717.26, 28,600.41 and 14,038.18 is: 19,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.26 : 28,600.41 = 14,038.18 : x
  2. Step 2: Convert to fraction form
    20,717.26/28,600.41 = 14,038.18/x
  3. Step 3: Cross multiply
    20,717.26x = 28,600.41 × 14,038.18
  4. Step 4: Simplify right side
    20,717.26x = 401,497,703.65
  5. Step 5: Solve for x
    x = 401,497,703.65/20,717.26
  6. Step 6: Final answer
    x = 19,379.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.