Home / 28,104.44-38,783.63-15,357.30

Finding the Fourth Proportional to 28,104.44, 38,783.63 and 15,357.30

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Solution

The fourth proportional to 28,104.44, 38,783.63 and 15,357.30 is: 21,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.44 : 38,783.63 = 15,357.30 : x
  2. Step 2: Convert to fraction form
    28,104.44/38,783.63 = 15,357.30/x
  3. Step 3: Cross multiply
    28,104.44x = 38,783.63 × 15,357.30
  4. Step 4: Simplify right side
    28,104.44x = 595,611,733.95
  5. Step 5: Solve for x
    x = 595,611,733.95/28,104.44
  6. Step 6: Final answer
    x = 21,192.80

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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.