Home / 19,276.22-28,900.36-13,020.59

Finding the Fourth Proportional to 19,276.22, 28,900.36 and 13,020.59

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Solution

The fourth proportional to 19,276.22, 28,900.36 and 13,020.59 is: 19,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.22 : 28,900.36 = 13,020.59 : x
  2. Step 2: Convert to fraction form
    19,276.22/28,900.36 = 13,020.59/x
  3. Step 3: Cross multiply
    19,276.22x = 28,900.36 × 13,020.59
  4. Step 4: Simplify right side
    19,276.22x = 376,299,738.41
  5. Step 5: Solve for x
    x = 376,299,738.41/19,276.22
  6. Step 6: Final answer
    x = 19,521.45

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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.