Home / 26,411.10-36,438.25-15,653.80

Finding the Fourth Proportional to 26,411.10, 36,438.25 and 15,653.80

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Solution

The fourth proportional to 26,411.10, 36,438.25 and 15,653.80 is: 21,596.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.10 : 36,438.25 = 15,653.80 : x
  2. Step 2: Convert to fraction form
    26,411.10/36,438.25 = 15,653.80/x
  3. Step 3: Cross multiply
    26,411.10x = 36,438.25 × 15,653.80
  4. Step 4: Simplify right side
    26,411.10x = 570,396,817.39
  5. Step 5: Solve for x
    x = 570,396,817.39/26,411.10
  6. Step 6: Final answer
    x = 21,596.86

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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.