Home / 28,377.90-42,554.34-10,601.64

Finding the Fourth Proportional to 28,377.90, 42,554.34 and 10,601.64

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Solution

The fourth proportional to 28,377.90, 42,554.34 and 10,601.64 is: 15,897.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.90 : 42,554.34 = 10,601.64 : x
  2. Step 2: Convert to fraction form
    28,377.90/42,554.34 = 10,601.64/x
  3. Step 3: Cross multiply
    28,377.90x = 42,554.34 × 10,601.64
  4. Step 4: Simplify right side
    28,377.90x = 451,145,793.12
  5. Step 5: Solve for x
    x = 451,145,793.12/28,377.90
  6. Step 6: Final answer
    x = 15,897.79

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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.