Home / 27,295.80-37,670.04-20,569.56

Finding the Fourth Proportional to 27,295.80, 37,670.04 and 20,569.56

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Solution

The fourth proportional to 27,295.80, 37,670.04 and 20,569.56 is: 28,387.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,295.80 : 37,670.04 = 20,569.56 : x
  2. Step 2: Convert to fraction form
    27,295.80/37,670.04 = 20,569.56/x
  3. Step 3: Cross multiply
    27,295.80x = 37,670.04 × 20,569.56
  4. Step 4: Simplify right side
    27,295.80x = 774,856,147.98
  5. Step 5: Solve for x
    x = 774,856,147.98/27,295.80
  6. Step 6: Final answer
    x = 28,387.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.