Home / 43,935.81-65,890.08-15,852.21

Finding the Fourth Proportional to 43,935.81, 65,890.08 and 15,852.21

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Solution

The fourth proportional to 43,935.81, 65,890.08 and 15,852.21 is: 23,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,935.81 : 65,890.08 = 15,852.21 : x
  2. Step 2: Convert to fraction form
    43,935.81/65,890.08 = 15,852.21/x
  3. Step 3: Cross multiply
    43,935.81x = 65,890.08 × 15,852.21
  4. Step 4: Simplify right side
    43,935.81x = 1,044,503,385.08
  5. Step 5: Solve for x
    x = 1,044,503,385.08/43,935.81
  6. Step 6: Final answer
    x = 23,773.40

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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.