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Finding the Fourth Proportional to 32,805.76, 49,108.20 and 26,507.20

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Solution

The fourth proportional to 32,805.76, 49,108.20 and 26,507.20 is: 39,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,805.76 : 49,108.20 = 26,507.20 : x
  2. Step 2: Convert to fraction form
    32,805.76/49,108.20 = 26,507.20/x
  3. Step 3: Cross multiply
    32,805.76x = 49,108.20 × 26,507.20
  4. Step 4: Simplify right side
    32,805.76x = 1,301,720,879.04
  5. Step 5: Solve for x
    x = 1,301,720,879.04/32,805.76
  6. Step 6: Final answer
    x = 39,679.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.