Home / 19,287.34-28,901.24-13,022.80

Finding the Fourth Proportional to 19,287.34, 28,901.24 and 13,022.80

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Solution

The fourth proportional to 19,287.34, 28,901.24 and 13,022.80 is: 19,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,287.34 : 28,901.24 = 13,022.80 : x
  2. Step 2: Convert to fraction form
    19,287.34/28,901.24 = 13,022.80/x
  3. Step 3: Cross multiply
    19,287.34x = 28,901.24 × 13,022.80
  4. Step 4: Simplify right side
    19,287.34x = 376,375,068.27
  5. Step 5: Solve for x
    x = 376,375,068.27/19,287.34
  6. Step 6: Final answer
    x = 19,514.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.