Home / 21,477.29-29,638.96-16,090.18

Finding the Fourth Proportional to 21,477.29, 29,638.96 and 16,090.18

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Solution

The fourth proportional to 21,477.29, 29,638.96 and 16,090.18 is: 22,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,477.29 : 29,638.96 = 16,090.18 : x
  2. Step 2: Convert to fraction form
    21,477.29/29,638.96 = 16,090.18/x
  3. Step 3: Cross multiply
    21,477.29x = 29,638.96 × 16,090.18
  4. Step 4: Simplify right side
    21,477.29x = 476,896,087.09
  5. Step 5: Solve for x
    x = 476,896,087.09/21,477.29
  6. Step 6: Final answer
    x = 22,204.67

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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.