Home / 43,236.60-64,815.70-15,528.12

Finding the Fourth Proportional to 43,236.60, 64,815.70 and 15,528.12

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Solution

The fourth proportional to 43,236.60, 64,815.70 and 15,528.12 is: 23,278.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.60 : 64,815.70 = 15,528.12 : x
  2. Step 2: Convert to fraction form
    43,236.60/64,815.70 = 15,528.12/x
  3. Step 3: Cross multiply
    43,236.60x = 64,815.70 × 15,528.12
  4. Step 4: Simplify right side
    43,236.60x = 1,006,465,967.48
  5. Step 5: Solve for x
    x = 1,006,465,967.48/43,236.60
  6. Step 6: Final answer
    x = 23,278.10

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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.