Home / 28,085.80-42,114.58-9,359.27

Finding the Fourth Proportional to 28,085.80, 42,114.58 and 9,359.27

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Solution

The fourth proportional to 28,085.80, 42,114.58 and 9,359.27 is: 14,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085.80 : 42,114.58 = 9,359.27 : x
  2. Step 2: Convert to fraction form
    28,085.80/42,114.58 = 9,359.27/x
  3. Step 3: Cross multiply
    28,085.80x = 42,114.58 × 9,359.27
  4. Step 4: Simplify right side
    28,085.80x = 394,161,725.16
  5. Step 5: Solve for x
    x = 394,161,725.16/28,085.80
  6. Step 6: Final answer
    x = 14,034.20

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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.