Home / 28,909.49-43,363.55-13,327.11

Finding the Fourth Proportional to 28,909.49, 43,363.55 and 13,327.11

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Solution

The fourth proportional to 28,909.49, 43,363.55 and 13,327.11 is: 19,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.49 : 43,363.55 = 13,327.11 : x
  2. Step 2: Convert to fraction form
    28,909.49/43,363.55 = 13,327.11/x
  3. Step 3: Cross multiply
    28,909.49x = 43,363.55 × 13,327.11
  4. Step 4: Simplify right side
    28,909.49x = 577,910,734.20
  5. Step 5: Solve for x
    x = 577,910,734.20/28,909.49
  6. Step 6: Final answer
    x = 19,990.35

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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.