Home / 28,322.72-42,425.75-16,607.69

Finding the Fourth Proportional to 28,322.72, 42,425.75 and 16,607.69

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Solution

The fourth proportional to 28,322.72, 42,425.75 and 16,607.69 is: 24,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.72 : 42,425.75 = 16,607.69 : x
  2. Step 2: Convert to fraction form
    28,322.72/42,425.75 = 16,607.69/x
  3. Step 3: Cross multiply
    28,322.72x = 42,425.75 × 16,607.69
  4. Step 4: Simplify right side
    28,322.72x = 704,593,704.02
  5. Step 5: Solve for x
    x = 704,593,704.02/28,322.72
  6. Step 6: Final answer
    x = 24,877.33

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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.