Home / 23,738.65-32,759.97-13,128.67

Finding the Fourth Proportional to 23,738.65, 32,759.97 and 13,128.67

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Solution

The fourth proportional to 23,738.65, 32,759.97 and 13,128.67 is: 18,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,738.65 : 32,759.97 = 13,128.67 : x
  2. Step 2: Convert to fraction form
    23,738.65/32,759.97 = 13,128.67/x
  3. Step 3: Cross multiply
    23,738.65x = 32,759.97 × 13,128.67
  4. Step 4: Simplify right side
    23,738.65x = 430,094,835.34
  5. Step 5: Solve for x
    x = 430,094,835.34/23,738.65
  6. Step 6: Final answer
    x = 18,117.91

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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.