Home / 19,775.30-27,289.24-10,822.20

Finding the Fourth Proportional to 19,775.30, 27,289.24 and 10,822.20

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Solution

The fourth proportional to 19,775.30, 27,289.24 and 10,822.20 is: 14,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.30 : 27,289.24 = 10,822.20 : x
  2. Step 2: Convert to fraction form
    19,775.30/27,289.24 = 10,822.20/x
  3. Step 3: Cross multiply
    19,775.30x = 27,289.24 × 10,822.20
  4. Step 4: Simplify right side
    19,775.30x = 295,329,613.13
  5. Step 5: Solve for x
    x = 295,329,613.13/19,775.30
  6. Step 6: Final answer
    x = 14,934.27

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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.