Home / 26,188.78-36,141.34-14,858.76

Finding the Fourth Proportional to 26,188.78, 36,141.34 and 14,858.76

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Solution

The fourth proportional to 26,188.78, 36,141.34 and 14,858.76 is: 20,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.78 : 36,141.34 = 14,858.76 : x
  2. Step 2: Convert to fraction form
    26,188.78/36,141.34 = 14,858.76/x
  3. Step 3: Cross multiply
    26,188.78x = 36,141.34 × 14,858.76
  4. Step 4: Simplify right side
    26,188.78x = 537,015,380.18
  5. Step 5: Solve for x
    x = 537,015,380.18/26,188.78
  6. Step 6: Final answer
    x = 20,505.55

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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.