Home / 28,033.55-42,057.89-9,316.61

Finding the Fourth Proportional to 28,033.55, 42,057.89 and 9,316.61

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Solution

The fourth proportional to 28,033.55, 42,057.89 and 9,316.61 is: 13,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,033.55 : 42,057.89 = 9,316.61 : x
  2. Step 2: Convert to fraction form
    28,033.55/42,057.89 = 9,316.61/x
  3. Step 3: Cross multiply
    28,033.55x = 42,057.89 × 9,316.61
  4. Step 4: Simplify right side
    28,033.55x = 391,837,052.05
  5. Step 5: Solve for x
    x = 391,837,052.05/28,033.55
  6. Step 6: Final answer
    x = 13,977.43

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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.