Home / 25,611.40-35,341.32-14,279.80

Finding the Fourth Proportional to 25,611.40, 35,341.32 and 14,279.80

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Solution

The fourth proportional to 25,611.40, 35,341.32 and 14,279.80 is: 19,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,611.40 : 35,341.32 = 14,279.80 : x
  2. Step 2: Convert to fraction form
    25,611.40/35,341.32 = 14,279.80/x
  3. Step 3: Cross multiply
    25,611.40x = 35,341.32 × 14,279.80
  4. Step 4: Simplify right side
    25,611.40x = 504,666,981.34
  5. Step 5: Solve for x
    x = 504,666,981.34/25,611.40
  6. Step 6: Final answer
    x = 19,704.78

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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.