Home / 28,707.54-43,044.75-11,156.86

Finding the Fourth Proportional to 28,707.54, 43,044.75 and 11,156.86

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Solution

The fourth proportional to 28,707.54, 43,044.75 and 11,156.86 is: 16,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707.54 : 43,044.75 = 11,156.86 : x
  2. Step 2: Convert to fraction form
    28,707.54/43,044.75 = 11,156.86/x
  3. Step 3: Cross multiply
    28,707.54x = 43,044.75 × 11,156.86
  4. Step 4: Simplify right side
    28,707.54x = 480,244,303.29
  5. Step 5: Solve for x
    x = 480,244,303.29/28,707.54
  6. Step 6: Final answer
    x = 16,728.86

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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.