Home / 27,964.80-41,947.20-26,889.60

Finding the Fourth Proportional to 27,964.80, 41,947.20 and 26,889.60

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Solution

The fourth proportional to 27,964.80, 41,947.20 and 26,889.60 is: 40,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,964.80 : 41,947.20 = 26,889.60 : x
  2. Step 2: Convert to fraction form
    27,964.80/41,947.20 = 26,889.60/x
  3. Step 3: Cross multiply
    27,964.80x = 41,947.20 × 26,889.60
  4. Step 4: Simplify right side
    27,964.80x = 1,127,943,429.12
  5. Step 5: Solve for x
    x = 1,127,943,429.12/27,964.80
  6. Step 6: Final answer
    x = 40,334.40

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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.