Home / 23,977.30-33,102.85-21,317.35

Finding the Fourth Proportional to 23,977.30, 33,102.85 and 21,317.35

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Solution

The fourth proportional to 23,977.30, 33,102.85 and 21,317.35 is: 29,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,977.30 : 33,102.85 = 21,317.35 : x
  2. Step 2: Convert to fraction form
    23,977.30/33,102.85 = 21,317.35/x
  3. Step 3: Cross multiply
    23,977.30x = 33,102.85 × 21,317.35
  4. Step 4: Simplify right side
    23,977.30x = 705,665,039.45
  5. Step 5: Solve for x
    x = 705,665,039.45/23,977.30
  6. Step 6: Final answer
    x = 29,430.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.