Home / 25,949.97-38,941.51-9,309.63

Finding the Fourth Proportional to 25,949.97, 38,941.51 and 9,309.63

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Solution

The fourth proportional to 25,949.97, 38,941.51 and 9,309.63 is: 13,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.97 : 38,941.51 = 9,309.63 : x
  2. Step 2: Convert to fraction form
    25,949.97/38,941.51 = 9,309.63/x
  3. Step 3: Cross multiply
    25,949.97x = 38,941.51 × 9,309.63
  4. Step 4: Simplify right side
    25,949.97x = 362,531,049.74
  5. Step 5: Solve for x
    x = 362,531,049.74/25,949.97
  6. Step 6: Final answer
    x = 13,970.38

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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.