Home / 64,207.12-96,328.39-26,784.78

Finding the Fourth Proportional to 64,207.12, 96,328.39 and 26,784.78

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Solution

The fourth proportional to 64,207.12, 96,328.39 and 26,784.78 is: 40,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,207.12 : 96,328.39 = 26,784.78 : x
  2. Step 2: Convert to fraction form
    64,207.12/96,328.39 = 26,784.78/x
  3. Step 3: Cross multiply
    64,207.12x = 96,328.39 × 26,784.78
  4. Step 4: Simplify right side
    64,207.12x = 2,580,134,733.90
  5. Step 5: Solve for x
    x = 2,580,134,733.90/64,207.12
  6. Step 6: Final answer
    x = 40,184.56

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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.