Home / 26,931.54-40,385.43-14,447.82

Finding the Fourth Proportional to 26,931.54, 40,385.43 and 14,447.82

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Solution

The fourth proportional to 26,931.54, 40,385.43 and 14,447.82 is: 21,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,931.54 : 40,385.43 = 14,447.82 : x
  2. Step 2: Convert to fraction form
    26,931.54/40,385.43 = 14,447.82/x
  3. Step 3: Cross multiply
    26,931.54x = 40,385.43 × 14,447.82
  4. Step 4: Simplify right side
    26,931.54x = 583,481,423.26
  5. Step 5: Solve for x
    x = 583,481,423.26/26,931.54
  6. Step 6: Final answer
    x = 21,665.36

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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.