Home / 28,584.04-42,882.90-11,934.88

Finding the Fourth Proportional to 28,584.04, 42,882.90 and 11,934.88

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Solution

The fourth proportional to 28,584.04, 42,882.90 and 11,934.88 is: 17,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,584.04 : 42,882.90 = 11,934.88 : x
  2. Step 2: Convert to fraction form
    28,584.04/42,882.90 = 11,934.88/x
  3. Step 3: Cross multiply
    28,584.04x = 42,882.90 × 11,934.88
  4. Step 4: Simplify right side
    28,584.04x = 511,802,265.55
  5. Step 5: Solve for x
    x = 511,802,265.55/28,584.04
  6. Step 6: Final answer
    x = 17,905.18

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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.