Home / 21,465.30-29,623.41-12,035.28

Finding the Fourth Proportional to 21,465.30, 29,623.41 and 12,035.28

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Solution

The fourth proportional to 21,465.30, 29,623.41 and 12,035.28 is: 16,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.30 : 29,623.41 = 12,035.28 : x
  2. Step 2: Convert to fraction form
    21,465.30/29,623.41 = 12,035.28/x
  3. Step 3: Cross multiply
    21,465.30x = 29,623.41 × 12,035.28
  4. Step 4: Simplify right side
    21,465.30x = 356,526,033.90
  5. Step 5: Solve for x
    x = 356,526,033.90/21,465.30
  6. Step 6: Final answer
    x = 16,609.41

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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.