Home / 23,272.70-32,118.70-13,715.56

Finding the Fourth Proportional to 23,272.70, 32,118.70 and 13,715.56

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Solution

The fourth proportional to 23,272.70, 32,118.70 and 13,715.56 is: 18,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,272.70 : 32,118.70 = 13,715.56 : x
  2. Step 2: Convert to fraction form
    23,272.70/32,118.70 = 13,715.56/x
  3. Step 3: Cross multiply
    23,272.70x = 32,118.70 × 13,715.56
  4. Step 4: Simplify right side
    23,272.70x = 440,525,956.97
  5. Step 5: Solve for x
    x = 440,525,956.97/23,272.70
  6. Step 6: Final answer
    x = 18,928.87

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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.