Home / 38,271.68-57,376.54-11,962.88

Finding the Fourth Proportional to 38,271.68, 57,376.54 and 11,962.88

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Solution

The fourth proportional to 38,271.68, 57,376.54 and 11,962.88 is: 17,934.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.68 : 57,376.54 = 11,962.88 : x
  2. Step 2: Convert to fraction form
    38,271.68/57,376.54 = 11,962.88/x
  3. Step 3: Cross multiply
    38,271.68x = 57,376.54 × 11,962.88
  4. Step 4: Simplify right side
    38,271.68x = 686,388,662.84
  5. Step 5: Solve for x
    x = 686,388,662.84/38,271.68
  6. Step 6: Final answer
    x = 17,934.64

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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.