Home / 26,887.20-40,305.96-14,415.90

Finding the Fourth Proportional to 26,887.20, 40,305.96 and 14,415.90

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Solution

The fourth proportional to 26,887.20, 40,305.96 and 14,415.90 is: 21,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.20 : 40,305.96 = 14,415.90 : x
  2. Step 2: Convert to fraction form
    26,887.20/40,305.96 = 14,415.90/x
  3. Step 3: Cross multiply
    26,887.20x = 40,305.96 × 14,415.90
  4. Step 4: Simplify right side
    26,887.20x = 581,046,688.76
  5. Step 5: Solve for x
    x = 581,046,688.76/26,887.20
  6. Step 6: Final answer
    x = 21,610.53

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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.