Home / 28,074.58-38,711.44-19,127.32

Finding the Fourth Proportional to 28,074.58, 38,711.44 and 19,127.32

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Solution

The fourth proportional to 28,074.58, 38,711.44 and 19,127.32 is: 26,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,074.58 : 38,711.44 = 19,127.32 : x
  2. Step 2: Convert to fraction form
    28,074.58/38,711.44 = 19,127.32/x
  3. Step 3: Cross multiply
    28,074.58x = 38,711.44 × 19,127.32
  4. Step 4: Simplify right side
    28,074.58x = 740,446,100.54
  5. Step 5: Solve for x
    x = 740,446,100.54/28,074.58
  6. Step 6: Final answer
    x = 26,374.25

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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.