Home / 28,905.08-43,363.48-16,431.08

Finding the Fourth Proportional to 28,905.08, 43,363.48 and 16,431.08

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Solution

The fourth proportional to 28,905.08, 43,363.48 and 16,431.08 is: 24,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.08 : 43,363.48 = 16,431.08 : x
  2. Step 2: Convert to fraction form
    28,905.08/43,363.48 = 16,431.08/x
  3. Step 3: Cross multiply
    28,905.08x = 43,363.48 × 16,431.08
  4. Step 4: Simplify right side
    28,905.08x = 712,508,808.96
  5. Step 5: Solve for x
    x = 712,508,808.96/28,905.08
  6. Step 6: Final answer
    x = 24,649.95

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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.