Home / 27,258.36-40,890.12-10,619.76

Finding the Fourth Proportional to 27,258.36, 40,890.12 and 10,619.76

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Solution

The fourth proportional to 27,258.36, 40,890.12 and 10,619.76 is: 15,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,258.36 : 40,890.12 = 10,619.76 : x
  2. Step 2: Convert to fraction form
    27,258.36/40,890.12 = 10,619.76/x
  3. Step 3: Cross multiply
    27,258.36x = 40,890.12 × 10,619.76
  4. Step 4: Simplify right side
    27,258.36x = 434,243,260.77
  5. Step 5: Solve for x
    x = 434,243,260.77/27,258.36
  6. Step 6: Final answer
    x = 15,930.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.