Home / 26,376.20-36,399.80-14,439.50

Finding the Fourth Proportional to 26,376.20, 36,399.80 and 14,439.50

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Solution

The fourth proportional to 26,376.20, 36,399.80 and 14,439.50 is: 19,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,376.20 : 36,399.80 = 14,439.50 : x
  2. Step 2: Convert to fraction form
    26,376.20/36,399.80 = 14,439.50/x
  3. Step 3: Cross multiply
    26,376.20x = 36,399.80 × 14,439.50
  4. Step 4: Simplify right side
    26,376.20x = 525,595,003.10
  5. Step 5: Solve for x
    x = 525,595,003.10/26,376.20
  6. Step 6: Final answer
    x = 19,926.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.