Home / 51,928.90-77,896.45-16,391.36

Finding the Fourth Proportional to 51,928.90, 77,896.45 and 16,391.36

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Solution

The fourth proportional to 51,928.90, 77,896.45 and 16,391.36 is: 24,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.90 : 77,896.45 = 16,391.36 : x
  2. Step 2: Convert to fraction form
    51,928.90/77,896.45 = 16,391.36/x
  3. Step 3: Cross multiply
    51,928.90x = 77,896.45 × 16,391.36
  4. Step 4: Simplify right side
    51,928.90x = 1,276,828,969.90
  5. Step 5: Solve for x
    x = 1,276,828,969.90/51,928.90
  6. Step 6: Final answer
    x = 24,588.02

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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.