Home / 20,941.74-28,865.97-19,224.95

Finding the Fourth Proportional to 20,941.74, 28,865.97 and 19,224.95

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Solution

The fourth proportional to 20,941.74, 28,865.97 and 19,224.95 is: 26,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.74 : 28,865.97 = 19,224.95 : x
  2. Step 2: Convert to fraction form
    20,941.74/28,865.97 = 19,224.95/x
  3. Step 3: Cross multiply
    20,941.74x = 28,865.97 × 19,224.95
  4. Step 4: Simplify right side
    20,941.74x = 554,946,685.62
  5. Step 5: Solve for x
    x = 554,946,685.62/20,941.74
  6. Step 6: Final answer
    x = 26,499.55

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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.