Home / 26,087.70-39,117.15-10,487.70

Finding the Fourth Proportional to 26,087.70, 39,117.15 and 10,487.70

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Solution

The fourth proportional to 26,087.70, 39,117.15 and 10,487.70 is: 15,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087.70 : 39,117.15 = 10,487.70 : x
  2. Step 2: Convert to fraction form
    26,087.70/39,117.15 = 10,487.70/x
  3. Step 3: Cross multiply
    26,087.70x = 39,117.15 × 10,487.70
  4. Step 4: Simplify right side
    26,087.70x = 410,248,934.06
  5. Step 5: Solve for x
    x = 410,248,934.06/26,087.70
  6. Step 6: Final answer
    x = 15,725.76

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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.