Home / 28,704.48-39,608.64-16,607.04

Finding the Fourth Proportional to 28,704.48, 39,608.64 and 16,607.04

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Solution

The fourth proportional to 28,704.48, 39,608.64 and 16,607.04 is: 22,915.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.48 : 39,608.64 = 16,607.04 : x
  2. Step 2: Convert to fraction form
    28,704.48/39,608.64 = 16,607.04/x
  3. Step 3: Cross multiply
    28,704.48x = 39,608.64 × 16,607.04
  4. Step 4: Simplify right side
    28,704.48x = 657,782,268.83
  5. Step 5: Solve for x
    x = 657,782,268.83/28,704.48
  6. Step 6: Final answer
    x = 22,915.67

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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.