Home / 26,700.80-36,846.20-15,368.72

Finding the Fourth Proportional to 26,700.80, 36,846.20 and 15,368.72

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Solution

The fourth proportional to 26,700.80, 36,846.20 and 15,368.72 is: 21,208.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,700.80 : 36,846.20 = 15,368.72 : x
  2. Step 2: Convert to fraction form
    26,700.80/36,846.20 = 15,368.72/x
  3. Step 3: Cross multiply
    26,700.80x = 36,846.20 × 15,368.72
  4. Step 4: Simplify right side
    26,700.80x = 566,278,930.86
  5. Step 5: Solve for x
    x = 566,278,930.86/26,700.80
  6. Step 6: Final answer
    x = 21,208.31

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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.