Home / 28,749.48-39,672.93-16,649.37

Finding the Fourth Proportional to 28,749.48, 39,672.93 and 16,649.37

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Solution

The fourth proportional to 28,749.48, 39,672.93 and 16,649.37 is: 22,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.48 : 39,672.93 = 16,649.37 : x
  2. Step 2: Convert to fraction form
    28,749.48/39,672.93 = 16,649.37/x
  3. Step 3: Cross multiply
    28,749.48x = 39,672.93 × 16,649.37
  4. Step 4: Simplify right side
    28,749.48x = 660,529,290.55
  5. Step 5: Solve for x
    x = 660,529,290.55/28,749.48
  6. Step 6: Final answer
    x = 22,975.35

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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.