Home / 28,085.61-42,114.31-9,359.09

Finding the Fourth Proportional to 28,085.61, 42,114.31 and 9,359.09

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Solution

The fourth proportional to 28,085.61, 42,114.31 and 9,359.09 is: 14,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085.61 : 42,114.31 = 9,359.09 : x
  2. Step 2: Convert to fraction form
    28,085.61/42,114.31 = 9,359.09/x
  3. Step 3: Cross multiply
    28,085.61x = 42,114.31 × 9,359.09
  4. Step 4: Simplify right side
    28,085.61x = 394,151,360.21
  5. Step 5: Solve for x
    x = 394,151,360.21/28,085.61
  6. Step 6: Final answer
    x = 14,033.93

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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.