Home / 28,867.60-43,302.48-8,090.56

Finding the Fourth Proportional to 28,867.60, 43,302.48 and 8,090.56

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Solution

The fourth proportional to 28,867.60, 43,302.48 and 8,090.56 is: 12,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,867.60 : 43,302.48 = 8,090.56 : x
  2. Step 2: Convert to fraction form
    28,867.60/43,302.48 = 8,090.56/x
  3. Step 3: Cross multiply
    28,867.60x = 43,302.48 × 8,090.56
  4. Step 4: Simplify right side
    28,867.60x = 350,341,312.59
  5. Step 5: Solve for x
    x = 350,341,312.59/28,867.60
  6. Step 6: Final answer
    x = 12,136.14

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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.