Home / 21,465.25-32,160.34-14,895.61

Finding the Fourth Proportional to 21,465.25, 32,160.34 and 14,895.61

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Solution

The fourth proportional to 21,465.25, 32,160.34 and 14,895.61 is: 22,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.25 : 32,160.34 = 14,895.61 : x
  2. Step 2: Convert to fraction form
    21,465.25/32,160.34 = 14,895.61/x
  3. Step 3: Cross multiply
    21,465.25x = 32,160.34 × 14,895.61
  4. Step 4: Simplify right side
    21,465.25x = 479,047,882.11
  5. Step 5: Solve for x
    x = 479,047,882.11/21,465.25
  6. Step 6: Final answer
    x = 22,317.37

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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.