Home / 27,726.86-38,269.72-15,793.14

Finding the Fourth Proportional to 27,726.86, 38,269.72 and 15,793.14

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Solution

The fourth proportional to 27,726.86, 38,269.72 and 15,793.14 is: 21,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,726.86 : 38,269.72 = 15,793.14 : x
  2. Step 2: Convert to fraction form
    27,726.86/38,269.72 = 15,793.14/x
  3. Step 3: Cross multiply
    27,726.86x = 38,269.72 × 15,793.14
  4. Step 4: Simplify right side
    27,726.86x = 604,399,045.72
  5. Step 5: Solve for x
    x = 604,399,045.72/27,726.86
  6. Step 6: Final answer
    x = 21,798.32

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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.