Home / 28,114.69-38,798.24-15,539.44

Finding the Fourth Proportional to 28,114.69, 38,798.24 and 15,539.44

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Solution

The fourth proportional to 28,114.69, 38,798.24 and 15,539.44 is: 21,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.69 : 38,798.24 = 15,539.44 : x
  2. Step 2: Convert to fraction form
    28,114.69/38,798.24 = 15,539.44/x
  3. Step 3: Cross multiply
    28,114.69x = 38,798.24 × 15,539.44
  4. Step 4: Simplify right side
    28,114.69x = 602,902,922.59
  5. Step 5: Solve for x
    x = 602,902,922.59/28,114.69
  6. Step 6: Final answer
    x = 21,444.41

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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.