Home / 19,133.01-28,696.31-13,569.46

Finding the Fourth Proportional to 19,133.01, 28,696.31 and 13,569.46

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Solution

The fourth proportional to 19,133.01, 28,696.31 and 13,569.46 is: 20,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.01 : 28,696.31 = 13,569.46 : x
  2. Step 2: Convert to fraction form
    19,133.01/28,696.31 = 13,569.46/x
  3. Step 3: Cross multiply
    19,133.01x = 28,696.31 × 13,569.46
  4. Step 4: Simplify right side
    19,133.01x = 389,393,341.99
  5. Step 5: Solve for x
    x = 389,393,341.99/19,133.01
  6. Step 6: Final answer
    x = 20,351.91

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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.