Home / 27,952.14-38,573.63-20,813.98

Finding the Fourth Proportional to 27,952.14, 38,573.63 and 20,813.98

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Solution

The fourth proportional to 27,952.14, 38,573.63 and 20,813.98 is: 28,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.14 : 38,573.63 = 20,813.98 : x
  2. Step 2: Convert to fraction form
    27,952.14/38,573.63 = 20,813.98/x
  3. Step 3: Cross multiply
    27,952.14x = 38,573.63 × 20,813.98
  4. Step 4: Simplify right side
    27,952.14x = 802,870,830.30
  5. Step 5: Solve for x
    x = 802,870,830.30/27,952.14
  6. Step 6: Final answer
    x = 28,723.06

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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.