Home / 28,675.62-42,964.88-17,559.09

Finding the Fourth Proportional to 28,675.62, 42,964.88 and 17,559.09

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Solution

The fourth proportional to 28,675.62, 42,964.88 and 17,559.09 is: 26,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.62 : 42,964.88 = 17,559.09 : x
  2. Step 2: Convert to fraction form
    28,675.62/42,964.88 = 17,559.09/x
  3. Step 3: Cross multiply
    28,675.62x = 42,964.88 × 17,559.09
  4. Step 4: Simplify right side
    28,675.62x = 754,424,194.76
  5. Step 5: Solve for x
    x = 754,424,194.76/28,675.62
  6. Step 6: Final answer
    x = 26,308.91

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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.