Home / 19,470.28-26,884.76-18,491.80

Finding the Fourth Proportional to 19,470.28, 26,884.76 and 18,491.80

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Solution

The fourth proportional to 19,470.28, 26,884.76 and 18,491.80 is: 25,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,470.28 : 26,884.76 = 18,491.80 : x
  2. Step 2: Convert to fraction form
    19,470.28/26,884.76 = 18,491.80/x
  3. Step 3: Cross multiply
    19,470.28x = 26,884.76 × 18,491.80
  4. Step 4: Simplify right side
    19,470.28x = 497,147,604.97
  5. Step 5: Solve for x
    x = 497,147,604.97/19,470.28
  6. Step 6: Final answer
    x = 25,533.66

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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.