Home / 26,304.40-39,412.80-18,496.88

Finding the Fourth Proportional to 26,304.40, 39,412.80 and 18,496.88

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Solution

The fourth proportional to 26,304.40, 39,412.80 and 18,496.88 is: 27,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,304.40 : 39,412.80 = 18,496.88 : x
  2. Step 2: Convert to fraction form
    26,304.40/39,412.80 = 18,496.88/x
  3. Step 3: Cross multiply
    26,304.40x = 39,412.80 × 18,496.88
  4. Step 4: Simplify right side
    26,304.40x = 729,013,832.06
  5. Step 5: Solve for x
    x = 729,013,832.06/26,304.40
  6. Step 6: Final answer
    x = 27,714.52

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1.5x scale

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.