Home / 20,195.23-27,865.95-18,562.09

Finding the Fourth Proportional to 20,195.23, 27,865.95 and 18,562.09

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Solution

The fourth proportional to 20,195.23, 27,865.95 and 18,562.09 is: 25,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.23 : 27,865.95 = 18,562.09 : x
  2. Step 2: Convert to fraction form
    20,195.23/27,865.95 = 18,562.09/x
  3. Step 3: Cross multiply
    20,195.23x = 27,865.95 × 18,562.09
  4. Step 4: Simplify right side
    20,195.23x = 517,250,271.84
  5. Step 5: Solve for x
    x = 517,250,271.84/20,195.23
  6. Step 6: Final answer
    x = 25,612.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.