Home / 26,812.84-40,219.80-12,774.48

Finding the Fourth Proportional to 26,812.84, 40,219.80 and 12,774.48

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Solution

The fourth proportional to 26,812.84, 40,219.80 and 12,774.48 is: 19,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.84 : 40,219.80 = 12,774.48 : x
  2. Step 2: Convert to fraction form
    26,812.84/40,219.80 = 12,774.48/x
  3. Step 3: Cross multiply
    26,812.84x = 40,219.80 × 12,774.48
  4. Step 4: Simplify right side
    26,812.84x = 513,787,030.70
  5. Step 5: Solve for x
    x = 513,787,030.70/26,812.84
  6. Step 6: Final answer
    x = 19,161.98

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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.