Home / 23,538.49-32,483.09-12,928.80

Finding the Fourth Proportional to 23,538.49, 32,483.09 and 12,928.80

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Solution

The fourth proportional to 23,538.49, 32,483.09 and 12,928.80 is: 17,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,538.49 : 32,483.09 = 12,928.80 : x
  2. Step 2: Convert to fraction form
    23,538.49/32,483.09 = 12,928.80/x
  3. Step 3: Cross multiply
    23,538.49x = 32,483.09 × 12,928.80
  4. Step 4: Simplify right side
    23,538.49x = 419,967,373.99
  5. Step 5: Solve for x
    x = 419,967,373.99/23,538.49
  6. Step 6: Final answer
    x = 17,841.73

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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.