Home / 26,823.31-40,170.21-13,454.26

Finding the Fourth Proportional to 26,823.31, 40,170.21 and 13,454.26

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Solution

The fourth proportional to 26,823.31, 40,170.21 and 13,454.26 is: 20,148.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,823.31 : 40,170.21 = 13,454.26 : x
  2. Step 2: Convert to fraction form
    26,823.31/40,170.21 = 13,454.26/x
  3. Step 3: Cross multiply
    26,823.31x = 40,170.21 × 13,454.26
  4. Step 4: Simplify right side
    26,823.31x = 540,460,449.59
  5. Step 5: Solve for x
    x = 540,460,449.59/26,823.31
  6. Step 6: Final answer
    x = 20,148.91

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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.