Home / 28,803.99-43,108.41-17,717.70

Finding the Fourth Proportional to 28,803.99, 43,108.41 and 17,717.70

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Solution

The fourth proportional to 28,803.99, 43,108.41 and 17,717.70 is: 26,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.99 : 43,108.41 = 17,717.70 : x
  2. Step 2: Convert to fraction form
    28,803.99/43,108.41 = 17,717.70/x
  3. Step 3: Cross multiply
    28,803.99x = 43,108.41 × 17,717.70
  4. Step 4: Simplify right side
    28,803.99x = 763,781,875.86
  5. Step 5: Solve for x
    x = 763,781,875.86/28,803.99
  6. Step 6: Final answer
    x = 26,516.53

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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.