Home / 26,767.70-40,124.80-17,890.50

Finding the Fourth Proportional to 26,767.70, 40,124.80 and 17,890.50

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Solution

The fourth proportional to 26,767.70, 40,124.80 and 17,890.50 is: 26,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.70 : 40,124.80 = 17,890.50 : x
  2. Step 2: Convert to fraction form
    26,767.70/40,124.80 = 17,890.50/x
  3. Step 3: Cross multiply
    26,767.70x = 40,124.80 × 17,890.50
  4. Step 4: Simplify right side
    26,767.70x = 717,852,734.40
  5. Step 5: Solve for x
    x = 717,852,734.40/26,767.70
  6. Step 6: Final answer
    x = 26,817.87

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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.