Home / 25,120.05-37,680.90-12,633.24

Finding the Fourth Proportional to 25,120.05, 37,680.90 and 12,633.24

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Solution

The fourth proportional to 25,120.05, 37,680.90 and 12,633.24 is: 18,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.05 : 37,680.90 = 12,633.24 : x
  2. Step 2: Convert to fraction form
    25,120.05/37,680.90 = 12,633.24/x
  3. Step 3: Cross multiply
    25,120.05x = 37,680.90 × 12,633.24
  4. Step 4: Simplify right side
    25,120.05x = 476,031,853.12
  5. Step 5: Solve for x
    x = 476,031,853.12/25,120.05
  6. Step 6: Final answer
    x = 18,950.27

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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.