Home / 27,723.53-38,258.47-15,148.28

Finding the Fourth Proportional to 27,723.53, 38,258.47 and 15,148.28

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Solution

The fourth proportional to 27,723.53, 38,258.47 and 15,148.28 is: 20,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.53 : 38,258.47 = 15,148.28 : x
  2. Step 2: Convert to fraction form
    27,723.53/38,258.47 = 15,148.28/x
  3. Step 3: Cross multiply
    27,723.53x = 38,258.47 × 15,148.28
  4. Step 4: Simplify right side
    27,723.53x = 579,550,015.93
  5. Step 5: Solve for x
    x = 579,550,015.93/27,723.53
  6. Step 6: Final answer
    x = 20,904.63

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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.