Home / 27,875.12-38,485.68-17,276

Finding the Fourth Proportional to 27,875.12, 38,485.68 and 17,276

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Solution

The fourth proportional to 27,875.12, 38,485.68 and 17,276 is: 23,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.12 : 38,485.68 = 17,276 : x
  2. Step 2: Convert to fraction form
    27,875.12/38,485.68 = 17,276/x
  3. Step 3: Cross multiply
    27,875.12x = 38,485.68 × 17,276
  4. Step 4: Simplify right side
    27,875.12x = 664,878,607.68
  5. Step 5: Solve for x
    x = 664,878,607.68/27,875.12
  6. Step 6: Final answer
    x = 23,852.04

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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.