Home / 28,084.61-38,757.03-15,984.50

Finding the Fourth Proportional to 28,084.61, 38,757.03 and 15,984.50

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Solution

The fourth proportional to 28,084.61, 38,757.03 and 15,984.50 is: 22,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.61 : 38,757.03 = 15,984.50 : x
  2. Step 2: Convert to fraction form
    28,084.61/38,757.03 = 15,984.50/x
  3. Step 3: Cross multiply
    28,084.61x = 38,757.03 × 15,984.50
  4. Step 4: Simplify right side
    28,084.61x = 619,511,630.95
  5. Step 5: Solve for x
    x = 619,511,630.95/28,084.61
  6. Step 6: Final answer
    x = 22,058.76

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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.