Home / 19,932.30-27,506.76-10,979.85

Finding the Fourth Proportional to 19,932.30, 27,506.76 and 10,979.85

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Solution

The fourth proportional to 19,932.30, 27,506.76 and 10,979.85 is: 15,152.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932.30 : 27,506.76 = 10,979.85 : x
  2. Step 2: Convert to fraction form
    19,932.30/27,506.76 = 10,979.85/x
  3. Step 3: Cross multiply
    19,932.30x = 27,506.76 × 10,979.85
  4. Step 4: Simplify right side
    19,932.30x = 302,020,098.79
  5. Step 5: Solve for x
    x = 302,020,098.79/19,932.30
  6. Step 6: Final answer
    x = 15,152.30

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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.