Home / 43,260-64,868.76-16,957.68

Finding the Fourth Proportional to 43,260, 64,868.76 and 16,957.68

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Solution

The fourth proportional to 43,260, 64,868.76 and 16,957.68 is: 25,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,260 : 64,868.76 = 16,957.68 : x
  2. Step 2: Convert to fraction form
    43,260/64,868.76 = 16,957.68/x
  3. Step 3: Cross multiply
    43,260x = 64,868.76 × 16,957.68
  4. Step 4: Simplify right side
    43,260x = 1,100,023,674.08
  5. Step 5: Solve for x
    x = 1,100,023,674.08/43,260
  6. Step 6: Final answer
    x = 25,428.19

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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.