Home / 27,271.43-40,882.52-18,955.36

Finding the Fourth Proportional to 27,271.43, 40,882.52 and 18,955.36

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Solution

The fourth proportional to 27,271.43, 40,882.52 and 18,955.36 is: 28,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.43 : 40,882.52 = 18,955.36 : x
  2. Step 2: Convert to fraction form
    27,271.43/40,882.52 = 18,955.36/x
  3. Step 3: Cross multiply
    27,271.43x = 40,882.52 × 18,955.36
  4. Step 4: Simplify right side
    27,271.43x = 774,942,884.31
  5. Step 5: Solve for x
    x = 774,942,884.31/27,271.43
  6. Step 6: Final answer
    x = 28,415.92

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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.