Home / 28,551.85-39,409.47-16,617.49

Finding the Fourth Proportional to 28,551.85, 39,409.47 and 16,617.49

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Solution

The fourth proportional to 28,551.85, 39,409.47 and 16,617.49 is: 22,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.85 : 39,409.47 = 16,617.49 : x
  2. Step 2: Convert to fraction form
    28,551.85/39,409.47 = 16,617.49/x
  3. Step 3: Cross multiply
    28,551.85x = 39,409.47 × 16,617.49
  4. Step 4: Simplify right side
    28,551.85x = 654,886,375.11
  5. Step 5: Solve for x
    x = 654,886,375.11/28,551.85
  6. Step 6: Final answer
    x = 22,936.74

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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.