Home / 28,018.20-42,000.30-16,159.80

Finding the Fourth Proportional to 28,018.20, 42,000.30 and 16,159.80

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Solution

The fourth proportional to 28,018.20, 42,000.30 and 16,159.80 is: 24,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.20 : 42,000.30 = 16,159.80 : x
  2. Step 2: Convert to fraction form
    28,018.20/42,000.30 = 16,159.80/x
  3. Step 3: Cross multiply
    28,018.20x = 42,000.30 × 16,159.80
  4. Step 4: Simplify right side
    28,018.20x = 678,716,447.94
  5. Step 5: Solve for x
    x = 678,716,447.94/28,018.20
  6. Step 6: Final answer
    x = 24,224.13

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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.