Home / 26,616.60-36,732.69-15,289.76

Finding the Fourth Proportional to 26,616.60, 36,732.69 and 15,289.76

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Solution

The fourth proportional to 26,616.60, 36,732.69 and 15,289.76 is: 21,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,616.60 : 36,732.69 = 15,289.76 : x
  2. Step 2: Convert to fraction form
    26,616.60/36,732.69 = 15,289.76/x
  3. Step 3: Cross multiply
    26,616.60x = 36,732.69 × 15,289.76
  4. Step 4: Simplify right side
    26,616.60x = 561,634,106.09
  5. Step 5: Solve for x
    x = 561,634,106.09/26,616.60
  6. Step 6: Final answer
    x = 21,100.90

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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.