Home / 28,403.76-39,197.32-16,474.16

Finding the Fourth Proportional to 28,403.76, 39,197.32 and 16,474.16

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Solution

The fourth proportional to 28,403.76, 39,197.32 and 16,474.16 is: 22,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.76 : 39,197.32 = 16,474.16 : x
  2. Step 2: Convert to fraction form
    28,403.76/39,197.32 = 16,474.16/x
  3. Step 3: Cross multiply
    28,403.76x = 39,197.32 × 16,474.16
  4. Step 4: Simplify right side
    28,403.76x = 645,742,921.25
  5. Step 5: Solve for x
    x = 645,742,921.25/28,403.76
  6. Step 6: Final answer
    x = 22,734.42

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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.