Home / 26,131.58-36,056.26-15,915.76

Finding the Fourth Proportional to 26,131.58, 36,056.26 and 15,915.76

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Solution

The fourth proportional to 26,131.58, 36,056.26 and 15,915.76 is: 21,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.58 : 36,056.26 = 15,915.76 : x
  2. Step 2: Convert to fraction form
    26,131.58/36,056.26 = 15,915.76/x
  3. Step 3: Cross multiply
    26,131.58x = 36,056.26 × 15,915.76
  4. Step 4: Simplify right side
    26,131.58x = 573,862,620.89
  5. Step 5: Solve for x
    x = 573,862,620.89/26,131.58
  6. Step 6: Final answer
    x = 21,960.50

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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.