Home / 28,180.08-42,259.24-8,454

Finding the Fourth Proportional to 28,180.08, 42,259.24 and 8,454

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Solution

The fourth proportional to 28,180.08, 42,259.24 and 8,454 is: 12,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180.08 : 42,259.24 = 8,454 : x
  2. Step 2: Convert to fraction form
    28,180.08/42,259.24 = 8,454/x
  3. Step 3: Cross multiply
    28,180.08x = 42,259.24 × 8,454
  4. Step 4: Simplify right side
    28,180.08x = 357,259,614.96
  5. Step 5: Solve for x
    x = 357,259,614.96/28,180.08
  6. Step 6: Final answer
    x = 12,677.74

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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.