Home / 20,506.07-30,759.08-15,832.91

Finding the Fourth Proportional to 20,506.07, 30,759.08 and 15,832.91

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Solution

The fourth proportional to 20,506.07, 30,759.08 and 15,832.91 is: 23,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,506.07 : 30,759.08 = 15,832.91 : x
  2. Step 2: Convert to fraction form
    20,506.07/30,759.08 = 15,832.91/x
  3. Step 3: Cross multiply
    20,506.07x = 30,759.08 × 15,832.91
  4. Step 4: Simplify right side
    20,506.07x = 487,005,743.06
  5. Step 5: Solve for x
    x = 487,005,743.06/20,506.07
  6. Step 6: Final answer
    x = 23,749.34

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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.