Home / 25,689.42-38,513.16-11,447.46

Finding the Fourth Proportional to 25,689.42, 38,513.16 and 11,447.46

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Solution

The fourth proportional to 25,689.42, 38,513.16 and 11,447.46 is: 17,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689.42 : 38,513.16 = 11,447.46 : x
  2. Step 2: Convert to fraction form
    25,689.42/38,513.16 = 11,447.46/x
  3. Step 3: Cross multiply
    25,689.42x = 38,513.16 × 11,447.46
  4. Step 4: Simplify right side
    25,689.42x = 440,877,858.57
  5. Step 5: Solve for x
    x = 440,877,858.57/25,689.42
  6. Step 6: Final answer
    x = 17,161.85

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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.