Home / 21,057.04-31,596.63-8,586.28

Finding the Fourth Proportional to 21,057.04, 31,596.63 and 8,586.28

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Solution

The fourth proportional to 21,057.04, 31,596.63 and 8,586.28 is: 12,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057.04 : 31,596.63 = 8,586.28 : x
  2. Step 2: Convert to fraction form
    21,057.04/31,596.63 = 8,586.28/x
  3. Step 3: Cross multiply
    21,057.04x = 31,596.63 × 8,586.28
  4. Step 4: Simplify right side
    21,057.04x = 271,297,512.24
  5. Step 5: Solve for x
    x = 271,297,512.24/21,057.04
  6. Step 6: Final answer
    x = 12,883.93

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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.