Home / 27,285.26-40,772.57-20,486.52

Finding the Fourth Proportional to 27,285.26, 40,772.57 and 20,486.52

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Solution

The fourth proportional to 27,285.26, 40,772.57 and 20,486.52 is: 30,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.26 : 40,772.57 = 20,486.52 : x
  2. Step 2: Convert to fraction form
    27,285.26/40,772.57 = 20,486.52/x
  3. Step 3: Cross multiply
    27,285.26x = 40,772.57 × 20,486.52
  4. Step 4: Simplify right side
    27,285.26x = 835,287,968.32
  5. Step 5: Solve for x
    x = 835,287,968.32/27,285.26
  6. Step 6: Final answer
    x = 30,613.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.