Home / 28,091.34-42,126.12-9,367.74

Finding the Fourth Proportional to 28,091.34, 42,126.12 and 9,367.74

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Solution

The fourth proportional to 28,091.34, 42,126.12 and 9,367.74 is: 14,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.34 : 42,126.12 = 9,367.74 : x
  2. Step 2: Convert to fraction form
    28,091.34/42,126.12 = 9,367.74/x
  3. Step 3: Cross multiply
    28,091.34x = 42,126.12 × 9,367.74
  4. Step 4: Simplify right side
    28,091.34x = 394,626,539.37
  5. Step 5: Solve for x
    x = 394,626,539.37/28,091.34
  6. Step 6: Final answer
    x = 14,047.98

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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.