Home / 28,749.90-39,673.08-16,812.53

Finding the Fourth Proportional to 28,749.90, 39,673.08 and 16,812.53

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Solution

The fourth proportional to 28,749.90, 39,673.08 and 16,812.53 is: 23,200.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.90 : 39,673.08 = 16,812.53 : x
  2. Step 2: Convert to fraction form
    28,749.90/39,673.08 = 16,812.53/x
  3. Step 3: Cross multiply
    28,749.90x = 39,673.08 × 16,812.53
  4. Step 4: Simplify right side
    28,749.90x = 667,004,649.33
  5. Step 5: Solve for x
    x = 667,004,649.33/28,749.90
  6. Step 6: Final answer
    x = 23,200.24

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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.