Home / 25,880.34-38,829.63-12,741.94

Finding the Fourth Proportional to 25,880.34, 38,829.63 and 12,741.94

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Solution

The fourth proportional to 25,880.34, 38,829.63 and 12,741.94 is: 19,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,880.34 : 38,829.63 = 12,741.94 : x
  2. Step 2: Convert to fraction form
    25,880.34/38,829.63 = 12,741.94/x
  3. Step 3: Cross multiply
    25,880.34x = 38,829.63 × 12,741.94
  4. Step 4: Simplify right side
    25,880.34x = 494,764,840.33
  5. Step 5: Solve for x
    x = 494,764,840.33/25,880.34
  6. Step 6: Final answer
    x = 19,117.40

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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.