Home / 27,873.52-38,467.35-15,774.01

Finding the Fourth Proportional to 27,873.52, 38,467.35 and 15,774.01

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Solution

The fourth proportional to 27,873.52, 38,467.35 and 15,774.01 is: 21,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.52 : 38,467.35 = 15,774.01 : x
  2. Step 2: Convert to fraction form
    27,873.52/38,467.35 = 15,774.01/x
  3. Step 3: Cross multiply
    27,873.52x = 38,467.35 × 15,774.01
  4. Step 4: Simplify right side
    27,873.52x = 606,784,267.41
  5. Step 5: Solve for x
    x = 606,784,267.41/27,873.52
  6. Step 6: Final answer
    x = 21,769.20

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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.