Home / 28,861.14-43,256.88-14,047.86

Finding the Fourth Proportional to 28,861.14, 43,256.88 and 14,047.86

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Solution

The fourth proportional to 28,861.14, 43,256.88 and 14,047.86 is: 21,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,861.14 : 43,256.88 = 14,047.86 : x
  2. Step 2: Convert to fraction form
    28,861.14/43,256.88 = 14,047.86/x
  3. Step 3: Cross multiply
    28,861.14x = 43,256.88 × 14,047.86
  4. Step 4: Simplify right side
    28,861.14x = 607,666,594.28
  5. Step 5: Solve for x
    x = 607,666,594.28/28,861.14
  6. Step 6: Final answer
    x = 21,054.84

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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.