Home / 43,021.68-64,536.50-16,728.40

Finding the Fourth Proportional to 43,021.68, 64,536.50 and 16,728.40

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Solution

The fourth proportional to 43,021.68, 64,536.50 and 16,728.40 is: 25,094.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,021.68 : 64,536.50 = 16,728.40 : x
  2. Step 2: Convert to fraction form
    43,021.68/64,536.50 = 16,728.40/x
  3. Step 3: Cross multiply
    43,021.68x = 64,536.50 × 16,728.40
  4. Step 4: Simplify right side
    43,021.68x = 1,079,592,386.60
  5. Step 5: Solve for x
    x = 1,079,592,386.60/43,021.68
  6. Step 6: Final answer
    x = 25,094.15

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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.