Home / 25,668.42-38,505.05-8,140.83

Finding the Fourth Proportional to 25,668.42, 38,505.05 and 8,140.83

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Solution

The fourth proportional to 25,668.42, 38,505.05 and 8,140.83 is: 12,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.42 : 38,505.05 = 8,140.83 : x
  2. Step 2: Convert to fraction form
    25,668.42/38,505.05 = 8,140.83/x
  3. Step 3: Cross multiply
    25,668.42x = 38,505.05 × 8,140.83
  4. Step 4: Simplify right side
    25,668.42x = 313,463,066.19
  5. Step 5: Solve for x
    x = 313,463,066.19/25,668.42
  6. Step 6: Final answer
    x = 12,212.01

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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.