Home / 27,348.78-37,742.94-18,258.54

Finding the Fourth Proportional to 27,348.78, 37,742.94 and 18,258.54

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Solution

The fourth proportional to 27,348.78, 37,742.94 and 18,258.54 is: 25,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,348.78 : 37,742.94 = 18,258.54 : x
  2. Step 2: Convert to fraction form
    27,348.78/37,742.94 = 18,258.54/x
  3. Step 3: Cross multiply
    27,348.78x = 37,742.94 × 18,258.54
  4. Step 4: Simplify right side
    27,348.78x = 689,130,979.71
  5. Step 5: Solve for x
    x = 689,130,979.71/27,348.78
  6. Step 6: Final answer
    x = 25,197.87

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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.