Home / 21,460.25-32,152.84-14,890.61

Finding the Fourth Proportional to 21,460.25, 32,152.84 and 14,890.61

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Solution

The fourth proportional to 21,460.25, 32,152.84 and 14,890.61 is: 22,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,460.25 : 32,152.84 = 14,890.61 : x
  2. Step 2: Convert to fraction form
    21,460.25/32,152.84 = 14,890.61/x
  3. Step 3: Cross multiply
    21,460.25x = 32,152.84 × 14,890.61
  4. Step 4: Simplify right side
    21,460.25x = 478,775,400.83
  5. Step 5: Solve for x
    x = 478,775,400.83/21,460.25
  6. Step 6: Final answer
    x = 22,309.87

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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.