Home / 28,289.43-39,035.08-16,350.47

Finding the Fourth Proportional to 28,289.43, 39,035.08 and 16,350.47

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Solution

The fourth proportional to 28,289.43, 39,035.08 and 16,350.47 is: 22,561.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.43 : 39,035.08 = 16,350.47 : x
  2. Step 2: Convert to fraction form
    28,289.43/39,035.08 = 16,350.47/x
  3. Step 3: Cross multiply
    28,289.43x = 39,035.08 × 16,350.47
  4. Step 4: Simplify right side
    28,289.43x = 638,241,627.56
  5. Step 5: Solve for x
    x = 638,241,627.56/28,289.43
  6. Step 6: Final answer
    x = 22,561.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.