Home / 27,968.96-38,598.88-15,396.48

Finding the Fourth Proportional to 27,968.96, 38,598.88 and 15,396.48

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Solution

The fourth proportional to 27,968.96, 38,598.88 and 15,396.48 is: 21,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.96 : 38,598.88 = 15,396.48 : x
  2. Step 2: Convert to fraction form
    27,968.96/38,598.88 = 15,396.48/x
  3. Step 3: Cross multiply
    27,968.96x = 38,598.88 × 15,396.48
  4. Step 4: Simplify right side
    27,968.96x = 594,286,883.94
  5. Step 5: Solve for x
    x = 594,286,883.94/27,968.96
  6. Step 6: Final answer
    x = 21,248.09

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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.