Home / 19,932.68-27,507.09-10,980.15

Finding the Fourth Proportional to 19,932.68, 27,507.09 and 10,980.15

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Solution

The fourth proportional to 19,932.68, 27,507.09 and 10,980.15 is: 15,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.68 : 27,507.09 = 10,980.15 : x
  2. Step 2: Convert to fraction form
    19,932.68/27,507.09 = 10,980.15/x
  3. Step 3: Cross multiply
    19,932.68x = 27,507.09 × 10,980.15
  4. Step 4: Simplify right side
    19,932.68x = 302,031,974.26
  5. Step 5: Solve for x
    x = 302,031,974.26/19,932.68
  6. Step 6: Final answer
    x = 15,152.61

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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.