Home / 28,631.10-39,508.47-16,695.54

Finding the Fourth Proportional to 28,631.10, 39,508.47 and 16,695.54

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Solution

The fourth proportional to 28,631.10, 39,508.47 and 16,695.54 is: 23,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.10 : 39,508.47 = 16,695.54 : x
  2. Step 2: Convert to fraction form
    28,631.10/39,508.47 = 16,695.54/x
  3. Step 3: Cross multiply
    28,631.10x = 39,508.47 × 16,695.54
  4. Step 4: Simplify right side
    28,631.10x = 659,615,241.22
  5. Step 5: Solve for x
    x = 659,615,241.22/28,631.10
  6. Step 6: Final answer
    x = 23,038.42

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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.