Home / 28,827.51-43,222.63-11,299.11

Finding the Fourth Proportional to 28,827.51, 43,222.63 and 11,299.11

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Solution

The fourth proportional to 28,827.51, 43,222.63 and 11,299.11 is: 16,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.51 : 43,222.63 = 11,299.11 : x
  2. Step 2: Convert to fraction form
    28,827.51/43,222.63 = 11,299.11/x
  3. Step 3: Cross multiply
    28,827.51x = 43,222.63 × 11,299.11
  4. Step 4: Simplify right side
    28,827.51x = 488,377,250.86
  5. Step 5: Solve for x
    x = 488,377,250.86/28,827.51
  6. Step 6: Final answer
    x = 16,941.36

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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.