Home / 27,723-38,258.55-15,148.56

Finding the Fourth Proportional to 27,723, 38,258.55 and 15,148.56

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Solution

The fourth proportional to 27,723, 38,258.55 and 15,148.56 is: 20,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723 : 38,258.55 = 15,148.56 : x
  2. Step 2: Convert to fraction form
    27,723/38,258.55 = 15,148.56/x
  3. Step 3: Cross multiply
    27,723x = 38,258.55 × 15,148.56
  4. Step 4: Simplify right side
    27,723x = 579,561,940.19
  5. Step 5: Solve for x
    x = 579,561,940.19/27,723
  6. Step 6: Final answer
    x = 20,905.46

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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.