Home / 27,144.49-40,710.36-13,808.65

Finding the Fourth Proportional to 27,144.49, 40,710.36 and 13,808.65

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Solution

The fourth proportional to 27,144.49, 40,710.36 and 13,808.65 is: 20,709.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,144.49 : 40,710.36 = 13,808.65 : x
  2. Step 2: Convert to fraction form
    27,144.49/40,710.36 = 13,808.65/x
  3. Step 3: Cross multiply
    27,144.49x = 40,710.36 × 13,808.65
  4. Step 4: Simplify right side
    27,144.49x = 562,155,112.61
  5. Step 5: Solve for x
    x = 562,155,112.61/27,144.49
  6. Step 6: Final answer
    x = 20,709.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.