Home / 25,312.22-34,932.96-13,982.78

Finding the Fourth Proportional to 25,312.22, 34,932.96 and 13,982.78

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Solution

The fourth proportional to 25,312.22, 34,932.96 and 13,982.78 is: 19,297.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,312.22 : 34,932.96 = 13,982.78 : x
  2. Step 2: Convert to fraction form
    25,312.22/34,932.96 = 13,982.78/x
  3. Step 3: Cross multiply
    25,312.22x = 34,932.96 × 13,982.78
  4. Step 4: Simplify right side
    25,312.22x = 488,459,894.43
  5. Step 5: Solve for x
    x = 488,459,894.43/25,312.22
  6. Step 6: Final answer
    x = 19,297.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.