Home / 43,278.64-64,878.77-16,976.32

Finding the Fourth Proportional to 43,278.64, 64,878.77 and 16,976.32

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Solution

The fourth proportional to 43,278.64, 64,878.77 and 16,976.32 is: 25,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.64 : 64,878.77 = 16,976.32 : x
  2. Step 2: Convert to fraction form
    43,278.64/64,878.77 = 16,976.32/x
  3. Step 3: Cross multiply
    43,278.64x = 64,878.77 × 16,976.32
  4. Step 4: Simplify right side
    43,278.64x = 1,101,402,640.97
  5. Step 5: Solve for x
    x = 1,101,402,640.97/43,278.64
  6. Step 6: Final answer
    x = 25,449.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.