Home / 27,846.54-38,427.39-15,271.02

Finding the Fourth Proportional to 27,846.54, 38,427.39 and 15,271.02

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Solution

The fourth proportional to 27,846.54, 38,427.39 and 15,271.02 is: 21,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,846.54 : 38,427.39 = 15,271.02 : x
  2. Step 2: Convert to fraction form
    27,846.54/38,427.39 = 15,271.02/x
  3. Step 3: Cross multiply
    27,846.54x = 38,427.39 × 15,271.02
  4. Step 4: Simplify right side
    27,846.54x = 586,825,441.24
  5. Step 5: Solve for x
    x = 586,825,441.24/27,846.54
  6. Step 6: Final answer
    x = 21,073.55

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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.