Home / 20,298.09-28,033.34-13,941.44

Finding the Fourth Proportional to 20,298.09, 28,033.34 and 13,941.44

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Solution

The fourth proportional to 20,298.09, 28,033.34 and 13,941.44 is: 19,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298.09 : 28,033.34 = 13,941.44 : x
  2. Step 2: Convert to fraction form
    20,298.09/28,033.34 = 13,941.44/x
  3. Step 3: Cross multiply
    20,298.09x = 28,033.34 × 13,941.44
  4. Step 4: Simplify right side
    20,298.09x = 390,825,127.61
  5. Step 5: Solve for x
    x = 390,825,127.61/20,298.09
  6. Step 6: Final answer
    x = 19,254.28

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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.