Home / 28,104.17-42,173.12-11,234.16

Finding the Fourth Proportional to 28,104.17, 42,173.12 and 11,234.16

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Solution

The fourth proportional to 28,104.17, 42,173.12 and 11,234.16 is: 16,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.17 : 42,173.12 = 11,234.16 : x
  2. Step 2: Convert to fraction form
    28,104.17/42,173.12 = 11,234.16/x
  3. Step 3: Cross multiply
    28,104.17x = 42,173.12 × 11,234.16
  4. Step 4: Simplify right side
    28,104.17x = 473,779,605.86
  5. Step 5: Solve for x
    x = 473,779,605.86/28,104.17
  6. Step 6: Final answer
    x = 16,857.99

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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.