Home / 43,543.22-65,314.76-28,748.67

Finding the Fourth Proportional to 43,543.22, 65,314.76 and 28,748.67

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Solution

The fourth proportional to 43,543.22, 65,314.76 and 28,748.67 is: 43,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,543.22 : 65,314.76 = 28,748.67 : x
  2. Step 2: Convert to fraction form
    43,543.22/65,314.76 = 28,748.67/x
  3. Step 3: Cross multiply
    43,543.22x = 65,314.76 × 28,748.67
  4. Step 4: Simplify right side
    43,543.22x = 1,877,712,460.09
  5. Step 5: Solve for x
    x = 1,877,712,460.09/43,543.22
  6. Step 6: Final answer
    x = 43,122.96

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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.