Home / 19,379.20-26,756.08-14,894.80

Finding the Fourth Proportional to 19,379.20, 26,756.08 and 14,894.80

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Solution

The fourth proportional to 19,379.20, 26,756.08 and 14,894.80 is: 20,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.20 : 26,756.08 = 14,894.80 : x
  2. Step 2: Convert to fraction form
    19,379.20/26,756.08 = 14,894.80/x
  3. Step 3: Cross multiply
    19,379.20x = 26,756.08 × 14,894.80
  4. Step 4: Simplify right side
    19,379.20x = 398,526,460.38
  5. Step 5: Solve for x
    x = 398,526,460.38/19,379.20
  6. Step 6: Final answer
    x = 20,564.65

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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.