Home / 26,336.39-39,488.78-12,087

Finding the Fourth Proportional to 26,336.39, 39,488.78 and 12,087

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Solution

The fourth proportional to 26,336.39, 39,488.78 and 12,087 is: 18,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,336.39 : 39,488.78 = 12,087 : x
  2. Step 2: Convert to fraction form
    26,336.39/39,488.78 = 12,087/x
  3. Step 3: Cross multiply
    26,336.39x = 39,488.78 × 12,087
  4. Step 4: Simplify right side
    26,336.39x = 477,300,823.43
  5. Step 5: Solve for x
    x = 477,300,823.43/26,336.39
  6. Step 6: Final answer
    x = 18,123.25

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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.