Home / 26,446.55-39,659.53-13,289.75

Finding the Fourth Proportional to 26,446.55, 39,659.53 and 13,289.75

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Solution

The fourth proportional to 26,446.55, 39,659.53 and 13,289.75 is: 19,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,446.55 : 39,659.53 = 13,289.75 : x
  2. Step 2: Convert to fraction form
    26,446.55/39,659.53 = 13,289.75/x
  3. Step 3: Cross multiply
    26,446.55x = 39,659.53 × 13,289.75
  4. Step 4: Simplify right side
    26,446.55x = 527,065,238.82
  5. Step 5: Solve for x
    x = 527,065,238.82/26,446.55
  6. Step 6: Final answer
    x = 19,929.45

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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.