Home / 26,639.82-36,767.71-15,885.39

Finding the Fourth Proportional to 26,639.82, 36,767.71 and 15,885.39

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Solution

The fourth proportional to 26,639.82, 36,767.71 and 15,885.39 is: 21,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,639.82 : 36,767.71 = 15,885.39 : x
  2. Step 2: Convert to fraction form
    26,639.82/36,767.71 = 15,885.39/x
  3. Step 3: Cross multiply
    26,639.82x = 36,767.71 × 15,885.39
  4. Step 4: Simplify right side
    26,639.82x = 584,069,412.76
  5. Step 5: Solve for x
    x = 584,069,412.76/26,639.82
  6. Step 6: Final answer
    x = 21,924.68

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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.