Home / 20,458.44-28,244.70-19,277.48

Finding the Fourth Proportional to 20,458.44, 28,244.70 and 19,277.48

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Solution

The fourth proportional to 20,458.44, 28,244.70 and 19,277.48 is: 26,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.44 : 28,244.70 = 19,277.48 : x
  2. Step 2: Convert to fraction form
    20,458.44/28,244.70 = 19,277.48/x
  3. Step 3: Cross multiply
    20,458.44x = 28,244.70 × 19,277.48
  4. Step 4: Simplify right side
    20,458.44x = 544,486,639.36
  5. Step 5: Solve for x
    x = 544,486,639.36/20,458.44
  6. Step 6: Final answer
    x = 26,614.28

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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.