Home / 31,828.98-43,924.81-17,489.17

Finding the Fourth Proportional to 31,828.98, 43,924.81 and 17,489.17

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Solution

The fourth proportional to 31,828.98, 43,924.81 and 17,489.17 is: 24,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,828.98 : 43,924.81 = 17,489.17 : x
  2. Step 2: Convert to fraction form
    31,828.98/43,924.81 = 17,489.17/x
  3. Step 3: Cross multiply
    31,828.98x = 43,924.81 × 17,489.17
  4. Step 4: Simplify right side
    31,828.98x = 768,208,587.63
  5. Step 5: Solve for x
    x = 768,208,587.63/31,828.98
  6. Step 6: Final answer
    x = 24,135.51

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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.