Home / 26,349.31-39,464.61-18,486.87

Finding the Fourth Proportional to 26,349.31, 39,464.61 and 18,486.87

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Solution

The fourth proportional to 26,349.31, 39,464.61 and 18,486.87 is: 27,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.31 : 39,464.61 = 18,486.87 : x
  2. Step 2: Convert to fraction form
    26,349.31/39,464.61 = 18,486.87/x
  3. Step 3: Cross multiply
    26,349.31x = 39,464.61 × 18,486.87
  4. Step 4: Simplify right side
    26,349.31x = 729,577,114.67
  5. Step 5: Solve for x
    x = 729,577,114.67/26,349.31
  6. Step 6: Final answer
    x = 27,688.66

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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.