Home / 19,285.23-28,931.46-8,755.99

Finding the Fourth Proportional to 19,285.23, 28,931.46 and 8,755.99

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Solution

The fourth proportional to 19,285.23, 28,931.46 and 8,755.99 is: 13,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.23 : 28,931.46 = 8,755.99 : x
  2. Step 2: Convert to fraction form
    19,285.23/28,931.46 = 8,755.99/x
  3. Step 3: Cross multiply
    19,285.23x = 28,931.46 × 8,755.99
  4. Step 4: Simplify right side
    19,285.23x = 253,323,574.45
  5. Step 5: Solve for x
    x = 253,323,574.45/19,285.23
  6. Step 6: Final answer
    x = 13,135.63

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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.