Home / 28,234.12-42,294.70-16,983.24

Finding the Fourth Proportional to 28,234.12, 42,294.70 and 16,983.24

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Solution

The fourth proportional to 28,234.12, 42,294.70 and 16,983.24 is: 25,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,234.12 : 42,294.70 = 16,983.24 : x
  2. Step 2: Convert to fraction form
    28,234.12/42,294.70 = 16,983.24/x
  3. Step 3: Cross multiply
    28,234.12x = 42,294.70 × 16,983.24
  4. Step 4: Simplify right side
    28,234.12x = 718,301,040.83
  5. Step 5: Solve for x
    x = 718,301,040.83/28,234.12
  6. Step 6: Final answer
    x = 25,440.89

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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.