Home / 28,351.50-42,534.45-9,884.94

Finding the Fourth Proportional to 28,351.50, 42,534.45 and 9,884.94

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Solution

The fourth proportional to 28,351.50, 42,534.45 and 9,884.94 is: 14,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351.50 : 42,534.45 = 9,884.94 : x
  2. Step 2: Convert to fraction form
    28,351.50/42,534.45 = 9,884.94/x
  3. Step 3: Cross multiply
    28,351.50x = 42,534.45 × 9,884.94
  4. Step 4: Simplify right side
    28,351.50x = 420,450,486.18
  5. Step 5: Solve for x
    x = 420,450,486.18/28,351.50
  6. Step 6: Final answer
    x = 14,829.92

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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.