Home / 20,507.04-30,784.86-17,260.56

Finding the Fourth Proportional to 20,507.04, 30,784.86 and 17,260.56

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Solution

The fourth proportional to 20,507.04, 30,784.86 and 17,260.56 is: 25,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,507.04 : 30,784.86 = 17,260.56 : x
  2. Step 2: Convert to fraction form
    20,507.04/30,784.86 = 17,260.56/x
  3. Step 3: Cross multiply
    20,507.04x = 30,784.86 × 17,260.56
  4. Step 4: Simplify right side
    20,507.04x = 531,363,923.12
  5. Step 5: Solve for x
    x = 531,363,923.12/20,507.04
  6. Step 6: Final answer
    x = 25,911.29

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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.