Home / 19,423.75-26,800.76-11,355.85

Finding the Fourth Proportional to 19,423.75, 26,800.76 and 11,355.85

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Solution

The fourth proportional to 19,423.75, 26,800.76 and 11,355.85 is: 15,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.75 : 26,800.76 = 11,355.85 : x
  2. Step 2: Convert to fraction form
    19,423.75/26,800.76 = 11,355.85/x
  3. Step 3: Cross multiply
    19,423.75x = 26,800.76 × 11,355.85
  4. Step 4: Simplify right side
    19,423.75x = 304,345,219.66
  5. Step 5: Solve for x
    x = 304,345,219.66/19,423.75
  6. Step 6: Final answer
    x = 15,668.72

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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.