Home / 43,626.87-65,354.63-28,790.51

Finding the Fourth Proportional to 43,626.87, 65,354.63 and 28,790.51

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Solution

The fourth proportional to 43,626.87, 65,354.63 and 28,790.51 is: 43,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,626.87 : 65,354.63 = 28,790.51 : x
  2. Step 2: Convert to fraction form
    43,626.87/65,354.63 = 28,790.51/x
  3. Step 3: Cross multiply
    43,626.87x = 65,354.63 × 28,790.51
  4. Step 4: Simplify right side
    43,626.87x = 1,881,592,657.84
  5. Step 5: Solve for x
    x = 1,881,592,657.84/43,626.87
  6. Step 6: Final answer
    x = 43,129.22

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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.