Home / 27,723.40-38,258.29-15,148.15

Finding the Fourth Proportional to 27,723.40, 38,258.29 and 15,148.15

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Solution

The fourth proportional to 27,723.40, 38,258.29 and 15,148.15 is: 20,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.40 : 38,258.29 = 15,148.15 : x
  2. Step 2: Convert to fraction form
    27,723.40/38,258.29 = 15,148.15/x
  3. Step 3: Cross multiply
    27,723.40x = 38,258.29 × 15,148.15
  4. Step 4: Simplify right side
    27,723.40x = 579,542,315.66
  5. Step 5: Solve for x
    x = 579,542,315.66/27,723.40
  6. Step 6: Final answer
    x = 20,904.45

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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.