Home / 28,118.30-42,170.70-16,246.40

Finding the Fourth Proportional to 28,118.30, 42,170.70 and 16,246.40

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Solution

The fourth proportional to 28,118.30, 42,170.70 and 16,246.40 is: 24,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.30 : 42,170.70 = 16,246.40 : x
  2. Step 2: Convert to fraction form
    28,118.30/42,170.70 = 16,246.40/x
  3. Step 3: Cross multiply
    28,118.30x = 42,170.70 × 16,246.40
  4. Step 4: Simplify right side
    28,118.30x = 685,122,060.48
  5. Step 5: Solve for x
    x = 685,122,060.48/28,118.30
  6. Step 6: Final answer
    x = 24,365.70

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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.