Home / 26,057.48-38,986.58-14,378.90

Finding the Fourth Proportional to 26,057.48, 38,986.58 and 14,378.90

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Solution

The fourth proportional to 26,057.48, 38,986.58 and 14,378.90 is: 21,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,057.48 : 38,986.58 = 14,378.90 : x
  2. Step 2: Convert to fraction form
    26,057.48/38,986.58 = 14,378.90/x
  3. Step 3: Cross multiply
    26,057.48x = 38,986.58 × 14,378.90
  4. Step 4: Simplify right side
    26,057.48x = 560,583,976.18
  5. Step 5: Solve for x
    x = 560,583,976.18/26,057.48
  6. Step 6: Final answer
    x = 21,513.37

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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.