Home / 41,108.64-56,646.16-28,365.72

Finding the Fourth Proportional to 41,108.64, 56,646.16 and 28,365.72

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Solution

The fourth proportional to 41,108.64, 56,646.16 and 28,365.72 is: 39,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,108.64 : 56,646.16 = 28,365.72 : x
  2. Step 2: Convert to fraction form
    41,108.64/56,646.16 = 28,365.72/x
  3. Step 3: Cross multiply
    41,108.64x = 56,646.16 × 28,365.72
  4. Step 4: Simplify right side
    41,108.64x = 1,606,809,113.64
  5. Step 5: Solve for x
    x = 1,606,809,113.64/41,108.64
  6. Step 6: Final answer
    x = 39,086.90

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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.