Home / 72,926.01-109,345.23-28,499.81

Finding the Fourth Proportional to 72,926.01, 109,345.23 and 28,499.81

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Solution

The fourth proportional to 72,926.01, 109,345.23 and 28,499.81 is: 42,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,926.01 : 109,345.23 = 28,499.81 : x
  2. Step 2: Convert to fraction form
    72,926.01/109,345.23 = 28,499.81/x
  3. Step 3: Cross multiply
    72,926.01x = 109,345.23 × 28,499.81
  4. Step 4: Simplify right side
    72,926.01x = 3,116,317,732.68
  5. Step 5: Solve for x
    x = 3,116,317,732.68/72,926.01
  6. Step 6: Final answer
    x = 42,732.60

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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.