Home / 25,458.03-38,186.64-7,928.82

Finding the Fourth Proportional to 25,458.03, 38,186.64 and 7,928.82

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Solution

The fourth proportional to 25,458.03, 38,186.64 and 7,928.82 is: 11,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.03 : 38,186.64 = 7,928.82 : x
  2. Step 2: Convert to fraction form
    25,458.03/38,186.64 = 7,928.82/x
  3. Step 3: Cross multiply
    25,458.03x = 38,186.64 × 7,928.82
  4. Step 4: Simplify right side
    25,458.03x = 302,774,994.96
  5. Step 5: Solve for x
    x = 302,774,994.96/25,458.03
  6. Step 6: Final answer
    x = 11,893.10

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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.