Home / 27,727.96-38,265.42-15,152.92

Finding the Fourth Proportional to 27,727.96, 38,265.42 and 15,152.92

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Solution

The fourth proportional to 27,727.96, 38,265.42 and 15,152.92 is: 20,911.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,727.96 : 38,265.42 = 15,152.92 : x
  2. Step 2: Convert to fraction form
    27,727.96/38,265.42 = 15,152.92/x
  3. Step 3: Cross multiply
    27,727.96x = 38,265.42 × 15,152.92
  4. Step 4: Simplify right side
    27,727.96x = 579,832,848.03
  5. Step 5: Solve for x
    x = 579,832,848.03/27,727.96
  6. Step 6: Final answer
    x = 20,911.49

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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.