Home / 25,438.09-38,157.56-8,798.55

Finding the Fourth Proportional to 25,438.09, 38,157.56 and 8,798.55

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Solution

The fourth proportional to 25,438.09, 38,157.56 and 8,798.55 is: 13,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.09 : 38,157.56 = 8,798.55 : x
  2. Step 2: Convert to fraction form
    25,438.09/38,157.56 = 8,798.55/x
  3. Step 3: Cross multiply
    25,438.09x = 38,157.56 × 8,798.55
  4. Step 4: Simplify right side
    25,438.09x = 335,731,199.54
  5. Step 5: Solve for x
    x = 335,731,199.54/25,438.09
  6. Step 6: Final answer
    x = 13,197.97

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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.