Home / 27,725.05-38,267.45-15,795.48

Finding the Fourth Proportional to 27,725.05, 38,267.45 and 15,795.48

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Solution

The fourth proportional to 27,725.05, 38,267.45 and 15,795.48 is: 21,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.05 : 38,267.45 = 15,795.48 : x
  2. Step 2: Convert to fraction form
    27,725.05/38,267.45 = 15,795.48/x
  3. Step 3: Cross multiply
    27,725.05x = 38,267.45 × 15,795.48
  4. Step 4: Simplify right side
    27,725.05x = 604,452,741.13
  5. Step 5: Solve for x
    x = 604,452,741.13/27,725.05
  6. Step 6: Final answer
    x = 21,801.68

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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.