Home / 28,076.84-42,101.22-9,350.35

Finding the Fourth Proportional to 28,076.84, 42,101.22 and 9,350.35

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Solution

The fourth proportional to 28,076.84, 42,101.22 and 9,350.35 is: 14,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,076.84 : 42,101.22 = 9,350.35 : x
  2. Step 2: Convert to fraction form
    28,076.84/42,101.22 = 9,350.35/x
  3. Step 3: Cross multiply
    28,076.84x = 42,101.22 × 9,350.35
  4. Step 4: Simplify right side
    28,076.84x = 393,661,256.46
  5. Step 5: Solve for x
    x = 393,661,256.46/28,076.84
  6. Step 6: Final answer
    x = 14,020.85

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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.