Home / 25,207.72-37,811.60-7,677.40

Finding the Fourth Proportional to 25,207.72, 37,811.60 and 7,677.40

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Solution

The fourth proportional to 25,207.72, 37,811.60 and 7,677.40 is: 11,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,207.72 : 37,811.60 = 7,677.40 : x
  2. Step 2: Convert to fraction form
    25,207.72/37,811.60 = 7,677.40/x
  3. Step 3: Cross multiply
    25,207.72x = 37,811.60 × 7,677.40
  4. Step 4: Simplify right side
    25,207.72x = 290,294,777.84
  5. Step 5: Solve for x
    x = 290,294,777.84/25,207.72
  6. Step 6: Final answer
    x = 11,516.11

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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.