Home / 19,935.99-27,510.21-10,982.97

Finding the Fourth Proportional to 19,935.99, 27,510.21 and 10,982.97

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Solution

The fourth proportional to 19,935.99, 27,510.21 and 10,982.97 is: 15,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.99 : 27,510.21 = 10,982.97 : x
  2. Step 2: Convert to fraction form
    19,935.99/27,510.21 = 10,982.97/x
  3. Step 3: Cross multiply
    19,935.99x = 27,510.21 × 10,982.97
  4. Step 4: Simplify right side
    19,935.99x = 302,143,811.12
  5. Step 5: Solve for x
    x = 302,143,811.12/19,935.99
  6. Step 6: Final answer
    x = 15,155.70

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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.