Home / 28,575.30-42,829.83-16,898.34

Finding the Fourth Proportional to 28,575.30, 42,829.83 and 16,898.34

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Solution

The fourth proportional to 28,575.30, 42,829.83 and 16,898.34 is: 25,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.30 : 42,829.83 = 16,898.34 : x
  2. Step 2: Convert to fraction form
    28,575.30/42,829.83 = 16,898.34/x
  3. Step 3: Cross multiply
    28,575.30x = 42,829.83 × 16,898.34
  4. Step 4: Simplify right side
    28,575.30x = 723,753,029.48
  5. Step 5: Solve for x
    x = 723,753,029.48/28,575.30
  6. Step 6: Final answer
    x = 25,327.92

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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.