Home / 19,400.76-26,719.92-16,747.20

Finding the Fourth Proportional to 19,400.76, 26,719.92 and 16,747.20

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Solution

The fourth proportional to 19,400.76, 26,719.92 and 16,747.20 is: 23,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.76 : 26,719.92 = 16,747.20 : x
  2. Step 2: Convert to fraction form
    19,400.76/26,719.92 = 16,747.20/x
  3. Step 3: Cross multiply
    19,400.76x = 26,719.92 × 16,747.20
  4. Step 4: Simplify right side
    19,400.76x = 447,483,844.22
  5. Step 5: Solve for x
    x = 447,483,844.22/19,400.76
  6. Step 6: Final answer
    x = 23,065.27

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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.