Home / 26,728.23-36,884.40-14,790.86

Finding the Fourth Proportional to 26,728.23, 36,884.40 and 14,790.86

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Solution

The fourth proportional to 26,728.23, 36,884.40 and 14,790.86 is: 20,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.23 : 36,884.40 = 14,790.86 : x
  2. Step 2: Convert to fraction form
    26,728.23/36,884.40 = 14,790.86/x
  3. Step 3: Cross multiply
    26,728.23x = 36,884.40 × 14,790.86
  4. Step 4: Simplify right side
    26,728.23x = 545,551,996.58
  5. Step 5: Solve for x
    x = 545,551,996.58/26,728.23
  6. Step 6: Final answer
    x = 20,411.08

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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.