Home / 28,154.58-42,240.30-16,305.59

Finding the Fourth Proportional to 28,154.58, 42,240.30 and 16,305.59

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Solution

The fourth proportional to 28,154.58, 42,240.30 and 16,305.59 is: 24,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.58 : 42,240.30 = 16,305.59 : x
  2. Step 2: Convert to fraction form
    28,154.58/42,240.30 = 16,305.59/x
  3. Step 3: Cross multiply
    28,154.58x = 42,240.30 × 16,305.59
  4. Step 4: Simplify right side
    28,154.58x = 688,753,118.88
  5. Step 5: Solve for x
    x = 688,753,118.88/28,154.58
  6. Step 6: Final answer
    x = 24,463.27

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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.