Home / 27,875.96-38,467.54-15,300.92

Finding the Fourth Proportional to 27,875.96, 38,467.54 and 15,300.92

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Solution

The fourth proportional to 27,875.96, 38,467.54 and 15,300.92 is: 21,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.96 : 38,467.54 = 15,300.92 : x
  2. Step 2: Convert to fraction form
    27,875.96/38,467.54 = 15,300.92/x
  3. Step 3: Cross multiply
    27,875.96x = 38,467.54 × 15,300.92
  4. Step 4: Simplify right side
    27,875.96x = 588,588,752.14
  5. Step 5: Solve for x
    x = 588,588,752.14/27,875.96
  6. Step 6: Final answer
    x = 21,114.56

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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.