Home / 19,731.99-29,457.42-19,039.98

Finding the Fourth Proportional to 19,731.99, 29,457.42 and 19,039.98

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Solution

The fourth proportional to 19,731.99, 29,457.42 and 19,039.98 is: 28,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.99 : 29,457.42 = 19,039.98 : x
  2. Step 2: Convert to fraction form
    19,731.99/29,457.42 = 19,039.98/x
  3. Step 3: Cross multiply
    19,731.99x = 29,457.42 × 19,039.98
  4. Step 4: Simplify right side
    19,731.99x = 560,868,687.65
  5. Step 5: Solve for x
    x = 560,868,687.65/19,731.99
  6. Step 6: Final answer
    x = 28,424.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.