Home / 27,168.48-37,496.12-15,838.20

Finding the Fourth Proportional to 27,168.48, 37,496.12 and 15,838.20

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Solution

The fourth proportional to 27,168.48, 37,496.12 and 15,838.20 is: 21,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.48 : 37,496.12 = 15,838.20 : x
  2. Step 2: Convert to fraction form
    27,168.48/37,496.12 = 15,838.20/x
  3. Step 3: Cross multiply
    27,168.48x = 37,496.12 × 15,838.20
  4. Step 4: Simplify right side
    27,168.48x = 593,870,968.59
  5. Step 5: Solve for x
    x = 593,870,968.59/27,168.48
  6. Step 6: Final answer
    x = 21,858.82

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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.