Home / 20,307.16-27,996.32-14,249.17

Finding the Fourth Proportional to 20,307.16, 27,996.32 and 14,249.17

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Solution

The fourth proportional to 20,307.16, 27,996.32 and 14,249.17 is: 19,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,307.16 : 27,996.32 = 14,249.17 : x
  2. Step 2: Convert to fraction form
    20,307.16/27,996.32 = 14,249.17/x
  3. Step 3: Cross multiply
    20,307.16x = 27,996.32 × 14,249.17
  4. Step 4: Simplify right side
    20,307.16x = 398,924,111.83
  5. Step 5: Solve for x
    x = 398,924,111.83/20,307.16
  6. Step 6: Final answer
    x = 19,644.51

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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.