Home / 38,726.72-53,400.18-26,769.30

Finding the Fourth Proportional to 38,726.72, 53,400.18 and 26,769.30

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Solution

The fourth proportional to 38,726.72, 53,400.18 and 26,769.30 is: 36,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,726.72 : 53,400.18 = 26,769.30 : x
  2. Step 2: Convert to fraction form
    38,726.72/53,400.18 = 26,769.30/x
  3. Step 3: Cross multiply
    38,726.72x = 53,400.18 × 26,769.30
  4. Step 4: Simplify right side
    38,726.72x = 1,429,485,338.61
  5. Step 5: Solve for x
    x = 1,429,485,338.61/38,726.72
  6. Step 6: Final answer
    x = 36,912.12

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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.