Home / 21,608.55-29,813.58-14,065.98

Finding the Fourth Proportional to 21,608.55, 29,813.58 and 14,065.98

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Solution

The fourth proportional to 21,608.55, 29,813.58 and 14,065.98 is: 19,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608.55 : 29,813.58 = 14,065.98 : x
  2. Step 2: Convert to fraction form
    21,608.55/29,813.58 = 14,065.98/x
  3. Step 3: Cross multiply
    21,608.55x = 29,813.58 × 14,065.98
  4. Step 4: Simplify right side
    21,608.55x = 419,357,220.01
  5. Step 5: Solve for x
    x = 419,357,220.01/21,608.55
  6. Step 6: Final answer
    x = 19,407.00

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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.