Home / 19,288.34-28,902.74-13,023.80

Finding the Fourth Proportional to 19,288.34, 28,902.74 and 13,023.80

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Solution

The fourth proportional to 19,288.34, 28,902.74 and 13,023.80 is: 19,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.34 : 28,902.74 = 13,023.80 : x
  2. Step 2: Convert to fraction form
    19,288.34/28,902.74 = 13,023.80/x
  3. Step 3: Cross multiply
    19,288.34x = 28,902.74 × 13,023.80
  4. Step 4: Simplify right side
    19,288.34x = 376,423,295.58
  5. Step 5: Solve for x
    x = 376,423,295.58/19,288.34
  6. Step 6: Final answer
    x = 19,515.59

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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.