Home / 35,538.72-53,323.20-16,828.80

Finding the Fourth Proportional to 35,538.72, 53,323.20 and 16,828.80

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Solution

The fourth proportional to 35,538.72, 53,323.20 and 16,828.80 is: 25,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,538.72 : 53,323.20 = 16,828.80 : x
  2. Step 2: Convert to fraction form
    35,538.72/53,323.20 = 16,828.80/x
  3. Step 3: Cross multiply
    35,538.72x = 53,323.20 × 16,828.80
  4. Step 4: Simplify right side
    35,538.72x = 897,365,468.16
  5. Step 5: Solve for x
    x = 897,365,468.16/35,538.72
  6. Step 6: Final answer
    x = 25,250.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.