Home / 26,014.20-38,963.70-21,406.20

Finding the Fourth Proportional to 26,014.20, 38,963.70 and 21,406.20

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Solution

The fourth proportional to 26,014.20, 38,963.70 and 21,406.20 is: 32,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,014.20 : 38,963.70 = 21,406.20 : x
  2. Step 2: Convert to fraction form
    26,014.20/38,963.70 = 21,406.20/x
  3. Step 3: Cross multiply
    26,014.20x = 38,963.70 × 21,406.20
  4. Step 4: Simplify right side
    26,014.20x = 834,064,754.94
  5. Step 5: Solve for x
    x = 834,064,754.94/26,014.20
  6. Step 6: Final answer
    x = 32,061.90

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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.