Home / 26,579.74-36,663.82-15,817.39

Finding the Fourth Proportional to 26,579.74, 36,663.82 and 15,817.39

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Solution

The fourth proportional to 26,579.74, 36,663.82 and 15,817.39 is: 21,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.74 : 36,663.82 = 15,817.39 : x
  2. Step 2: Convert to fraction form
    26,579.74/36,663.82 = 15,817.39/x
  3. Step 3: Cross multiply
    26,579.74x = 36,663.82 × 15,817.39
  4. Step 4: Simplify right side
    26,579.74x = 579,925,956.73
  5. Step 5: Solve for x
    x = 579,925,956.73/26,579.74
  6. Step 6: Final answer
    x = 21,818.35

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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.