Home / 21,779.31-32,606.99-14,361.13

Finding the Fourth Proportional to 21,779.31, 32,606.99 and 14,361.13

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Solution

The fourth proportional to 21,779.31, 32,606.99 and 14,361.13 is: 21,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.31 : 32,606.99 = 14,361.13 : x
  2. Step 2: Convert to fraction form
    21,779.31/32,606.99 = 14,361.13/x
  3. Step 3: Cross multiply
    21,779.31x = 32,606.99 × 14,361.13
  4. Step 4: Simplify right side
    21,779.31x = 468,273,222.30
  5. Step 5: Solve for x
    x = 468,273,222.30/21,779.31
  6. Step 6: Final answer
    x = 21,500.83

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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.