Home / 21,887.43-32,783.98-14,828.71

Finding the Fourth Proportional to 21,887.43, 32,783.98 and 14,828.71

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Solution

The fourth proportional to 21,887.43, 32,783.98 and 14,828.71 is: 22,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.43 : 32,783.98 = 14,828.71 : x
  2. Step 2: Convert to fraction form
    21,887.43/32,783.98 = 14,828.71/x
  3. Step 3: Cross multiply
    21,887.43x = 32,783.98 × 14,828.71
  4. Step 4: Simplify right side
    21,887.43x = 486,144,336.65
  5. Step 5: Solve for x
    x = 486,144,336.65/21,887.43
  6. Step 6: Final answer
    x = 22,211.12

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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.