Home / 26,790.86-36,971.56-15,460.83

Finding the Fourth Proportional to 26,790.86, 36,971.56 and 15,460.83

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Solution

The fourth proportional to 26,790.86, 36,971.56 and 15,460.83 is: 21,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.86 : 36,971.56 = 15,460.83 : x
  2. Step 2: Convert to fraction form
    26,790.86/36,971.56 = 15,460.83/x
  3. Step 3: Cross multiply
    26,790.86x = 36,971.56 × 15,460.83
  4. Step 4: Simplify right side
    26,790.86x = 571,610,936.35
  5. Step 5: Solve for x
    x = 571,610,936.35/26,790.86
  6. Step 6: Final answer
    x = 21,336.05

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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.