Home / 26,709.89-36,859.46-14,772.78

Finding the Fourth Proportional to 26,709.89, 36,859.46 and 14,772.78

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Solution

The fourth proportional to 26,709.89, 36,859.46 and 14,772.78 is: 20,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,709.89 : 36,859.46 = 14,772.78 : x
  2. Step 2: Convert to fraction form
    26,709.89/36,859.46 = 14,772.78/x
  3. Step 3: Cross multiply
    26,709.89x = 36,859.46 × 14,772.78
  4. Step 4: Simplify right side
    26,709.89x = 544,516,619.63
  5. Step 5: Solve for x
    x = 544,516,619.63/26,709.89
  6. Step 6: Final answer
    x = 20,386.33

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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.