Home / 19,324.05-28,812.98-18,974.13

Finding the Fourth Proportional to 19,324.05, 28,812.98 and 18,974.13

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Solution

The fourth proportional to 19,324.05, 28,812.98 and 18,974.13 is: 28,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.05 : 28,812.98 = 18,974.13 : x
  2. Step 2: Convert to fraction form
    19,324.05/28,812.98 = 18,974.13/x
  3. Step 3: Cross multiply
    19,324.05x = 28,812.98 × 18,974.13
  4. Step 4: Simplify right side
    19,324.05x = 546,701,228.21
  5. Step 5: Solve for x
    x = 546,701,228.21/19,324.05
  6. Step 6: Final answer
    x = 28,291.23

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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.