Home / 28,366.80-42,554.70-9,648.60

Finding the Fourth Proportional to 28,366.80, 42,554.70 and 9,648.60

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Solution

The fourth proportional to 28,366.80, 42,554.70 and 9,648.60 is: 14,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.80 : 42,554.70 = 9,648.60 : x
  2. Step 2: Convert to fraction form
    28,366.80/42,554.70 = 9,648.60/x
  3. Step 3: Cross multiply
    28,366.80x = 42,554.70 × 9,648.60
  4. Step 4: Simplify right side
    28,366.80x = 410,593,278.42
  5. Step 5: Solve for x
    x = 410,593,278.42/28,366.80
  6. Step 6: Final answer
    x = 14,474.43

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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.