Home / 27,746.13-38,289.79-15,170.88

Finding the Fourth Proportional to 27,746.13, 38,289.79 and 15,170.88

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Solution

The fourth proportional to 27,746.13, 38,289.79 and 15,170.88 is: 20,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,746.13 : 38,289.79 = 15,170.88 : x
  2. Step 2: Convert to fraction form
    27,746.13/38,289.79 = 15,170.88/x
  3. Step 3: Cross multiply
    27,746.13x = 38,289.79 × 15,170.88
  4. Step 4: Simplify right side
    27,746.13x = 580,889,809.32
  5. Step 5: Solve for x
    x = 580,889,809.32/27,746.13
  6. Step 6: Final answer
    x = 20,935.89

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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.