Home / 27,723.64-38,258.46-15,148.38

Finding the Fourth Proportional to 27,723.64, 38,258.46 and 15,148.38

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Solution

The fourth proportional to 27,723.64, 38,258.46 and 15,148.38 is: 20,904.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,723.64 : 38,258.46 = 15,148.38 : x
  2. Step 2: Convert to fraction form
    27,723.64/38,258.46 = 15,148.38/x
  3. Step 3: Cross multiply
    27,723.64x = 38,258.46 × 15,148.38
  4. Step 4: Simplify right side
    27,723.64x = 579,553,690.29
  5. Step 5: Solve for x
    x = 579,553,690.29/27,723.64
  6. Step 6: Final answer
    x = 20,904.68

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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.