Home / 43,688.25-65,546.30-15,607.77

Finding the Fourth Proportional to 43,688.25, 65,546.30 and 15,607.77

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Solution

The fourth proportional to 43,688.25, 65,546.30 and 15,607.77 is: 23,416.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688.25 : 65,546.30 = 15,607.77 : x
  2. Step 2: Convert to fraction form
    43,688.25/65,546.30 = 15,607.77/x
  3. Step 3: Cross multiply
    43,688.25x = 65,546.30 × 15,607.77
  4. Step 4: Simplify right side
    43,688.25x = 1,023,031,496.71
  5. Step 5: Solve for x
    x = 1,023,031,496.71/43,688.25
  6. Step 6: Final answer
    x = 23,416.63

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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.