Home / 28,527.10-42,790.84-8,805.22

Finding the Fourth Proportional to 28,527.10, 42,790.84 and 8,805.22

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Solution

The fourth proportional to 28,527.10, 42,790.84 and 8,805.22 is: 13,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.10 : 42,790.84 = 8,805.22 : x
  2. Step 2: Convert to fraction form
    28,527.10/42,790.84 = 8,805.22/x
  3. Step 3: Cross multiply
    28,527.10x = 42,790.84 × 8,805.22
  4. Step 4: Simplify right side
    28,527.10x = 376,782,760.18
  5. Step 5: Solve for x
    x = 376,782,760.18/28,527.10
  6. Step 6: Final answer
    x = 13,207.89

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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.