Home / 28,834.89-43,276.64-11,317.02

Finding the Fourth Proportional to 28,834.89, 43,276.64 and 11,317.02

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Solution

The fourth proportional to 28,834.89, 43,276.64 and 11,317.02 is: 16,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,834.89 : 43,276.64 = 11,317.02 : x
  2. Step 2: Convert to fraction form
    28,834.89/43,276.64 = 11,317.02/x
  3. Step 3: Cross multiply
    28,834.89x = 43,276.64 × 11,317.02
  4. Step 4: Simplify right side
    28,834.89x = 489,762,543.83
  5. Step 5: Solve for x
    x = 489,762,543.83/28,834.89
  6. Step 6: Final answer
    x = 16,985.07

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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.