Home / 28,097.44-38,774.56-15,522.16

Finding the Fourth Proportional to 28,097.44, 38,774.56 and 15,522.16

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Solution

The fourth proportional to 28,097.44, 38,774.56 and 15,522.16 is: 21,420.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.44 : 38,774.56 = 15,522.16 : x
  2. Step 2: Convert to fraction form
    28,097.44/38,774.56 = 15,522.16/x
  3. Step 3: Cross multiply
    28,097.44x = 38,774.56 × 15,522.16
  4. Step 4: Simplify right side
    28,097.44x = 601,864,924.25
  5. Step 5: Solve for x
    x = 601,864,924.25/28,097.44
  6. Step 6: Final answer
    x = 21,420.63

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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.