Home / 25,609.39-38,431.35-8,969.57

Finding the Fourth Proportional to 25,609.39, 38,431.35 and 8,969.57

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Solution

The fourth proportional to 25,609.39, 38,431.35 and 8,969.57 is: 13,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,609.39 : 38,431.35 = 8,969.57 : x
  2. Step 2: Convert to fraction form
    25,609.39/38,431.35 = 8,969.57/x
  3. Step 3: Cross multiply
    25,609.39x = 38,431.35 × 8,969.57
  4. Step 4: Simplify right side
    25,609.39x = 344,712,684.02
  5. Step 5: Solve for x
    x = 344,712,684.02/25,609.39
  6. Step 6: Final answer
    x = 13,460.40

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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.