Home / 19,267.24-28,772.21-18,283.24

Finding the Fourth Proportional to 19,267.24, 28,772.21 and 18,283.24

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Solution

The fourth proportional to 19,267.24, 28,772.21 and 18,283.24 is: 27,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.24 : 28,772.21 = 18,283.24 : x
  2. Step 2: Convert to fraction form
    19,267.24/28,772.21 = 18,283.24/x
  3. Step 3: Cross multiply
    19,267.24x = 28,772.21 × 18,283.24
  4. Step 4: Simplify right side
    19,267.24x = 526,049,220.76
  5. Step 5: Solve for x
    x = 526,049,220.76/19,267.24
  6. Step 6: Final answer
    x = 27,302.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.