Home / 25,867.69-38,837.00-13,396.32

Finding the Fourth Proportional to 25,867.69, 38,837.00 and 13,396.32

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Solution

The fourth proportional to 25,867.69, 38,837.00 and 13,396.32 is: 20,112.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.69 : 38,837.00 = 13,396.32 : x
  2. Step 2: Convert to fraction form
    25,867.69/38,837.00 = 13,396.32/x
  3. Step 3: Cross multiply
    25,867.69x = 38,837.00 × 13,396.32
  4. Step 4: Simplify right side
    25,867.69x = 520,272,913.33
  5. Step 5: Solve for x
    x = 520,272,913.33/25,867.69
  6. Step 6: Final answer
    x = 20,112.85

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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.