Home / 19,008.80-28,467.23-18,510.58

Finding the Fourth Proportional to 19,008.80, 28,467.23 and 18,510.58

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Solution

The fourth proportional to 19,008.80, 28,467.23 and 18,510.58 is: 27,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.80 : 28,467.23 = 18,510.58 : x
  2. Step 2: Convert to fraction form
    19,008.80/28,467.23 = 18,510.58/x
  3. Step 3: Cross multiply
    19,008.80x = 28,467.23 × 18,510.58
  4. Step 4: Simplify right side
    19,008.80x = 526,944,825.32
  5. Step 5: Solve for x
    x = 526,944,825.32/19,008.80
  6. Step 6: Final answer
    x = 27,721.10

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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.