Home / 28,903.08-43,379.28-11,385.24

Finding the Fourth Proportional to 28,903.08, 43,379.28 and 11,385.24

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Solution

The fourth proportional to 28,903.08, 43,379.28 and 11,385.24 is: 17,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.08 : 43,379.28 = 11,385.24 : x
  2. Step 2: Convert to fraction form
    28,903.08/43,379.28 = 11,385.24/x
  3. Step 3: Cross multiply
    28,903.08x = 43,379.28 × 11,385.24
  4. Step 4: Simplify right side
    28,903.08x = 493,883,513.83
  5. Step 5: Solve for x
    x = 493,883,513.83/28,903.08
  6. Step 6: Final answer
    x = 17,087.57

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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.