Home / 28,804.76-43,210.74-11,272.32

Finding the Fourth Proportional to 28,804.76, 43,210.74 and 11,272.32

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Solution

The fourth proportional to 28,804.76, 43,210.74 and 11,272.32 is: 16,909.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,804.76 : 43,210.74 = 11,272.32 : x
  2. Step 2: Convert to fraction form
    28,804.76/43,210.74 = 11,272.32/x
  3. Step 3: Cross multiply
    28,804.76x = 43,210.74 × 11,272.32
  4. Step 4: Simplify right side
    28,804.76x = 487,085,288.72
  5. Step 5: Solve for x
    x = 487,085,288.72/28,804.76
  6. Step 6: Final answer
    x = 16,909.89

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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.