Home / 27,539.69-38,004.90-15,605.36

Finding the Fourth Proportional to 27,539.69, 38,004.90 and 15,605.36

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Solution

The fourth proportional to 27,539.69, 38,004.90 and 15,605.36 is: 21,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.69 : 38,004.90 = 15,605.36 : x
  2. Step 2: Convert to fraction form
    27,539.69/38,004.90 = 15,605.36/x
  3. Step 3: Cross multiply
    27,539.69x = 38,004.90 × 15,605.36
  4. Step 4: Simplify right side
    27,539.69x = 593,080,146.26
  5. Step 5: Solve for x
    x = 593,080,146.26/27,539.69
  6. Step 6: Final answer
    x = 21,535.47

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Half scale
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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.