Home / 21,890.16-32,883.84-13,576.32

Finding the Fourth Proportional to 21,890.16, 32,883.84 and 13,576.32

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Solution

The fourth proportional to 21,890.16, 32,883.84 and 13,576.32 is: 20,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.16 : 32,883.84 = 13,576.32 : x
  2. Step 2: Convert to fraction form
    21,890.16/32,883.84 = 13,576.32/x
  3. Step 3: Cross multiply
    21,890.16x = 32,883.84 × 13,576.32
  4. Step 4: Simplify right side
    21,890.16x = 446,441,534.67
  5. Step 5: Solve for x
    x = 446,441,534.67/21,890.16
  6. Step 6: Final answer
    x = 20,394.62

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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.