Home / 19,283.47-28,941.60-13,750.36

Finding the Fourth Proportional to 19,283.47, 28,941.60 and 13,750.36

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Solution

The fourth proportional to 19,283.47, 28,941.60 and 13,750.36 is: 20,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.47 : 28,941.60 = 13,750.36 : x
  2. Step 2: Convert to fraction form
    19,283.47/28,941.60 = 13,750.36/x
  3. Step 3: Cross multiply
    19,283.47x = 28,941.60 × 13,750.36
  4. Step 4: Simplify right side
    19,283.47x = 397,957,398.19
  5. Step 5: Solve for x
    x = 397,957,398.19/19,283.47
  6. Step 6: Final answer
    x = 20,637.23

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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.