Home / 21,176.22-31,774.70-14,976.08

Finding the Fourth Proportional to 21,176.22, 31,774.70 and 14,976.08

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Solution

The fourth proportional to 21,176.22, 31,774.70 and 14,976.08 is: 22,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.22 : 31,774.70 = 14,976.08 : x
  2. Step 2: Convert to fraction form
    21,176.22/31,774.70 = 14,976.08/x
  3. Step 3: Cross multiply
    21,176.22x = 31,774.70 × 14,976.08
  4. Step 4: Simplify right side
    21,176.22x = 475,860,449.18
  5. Step 5: Solve for x
    x = 475,860,449.18/21,176.22
  6. Step 6: Final answer
    x = 22,471.45

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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.