Home / 28,887.10-43,333.08-9,161.57

Finding the Fourth Proportional to 28,887.10, 43,333.08 and 9,161.57

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Solution

The fourth proportional to 28,887.10, 43,333.08 and 9,161.57 is: 13,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.10 : 43,333.08 = 9,161.57 : x
  2. Step 2: Convert to fraction form
    28,887.10/43,333.08 = 9,161.57/x
  3. Step 3: Cross multiply
    28,887.10x = 43,333.08 × 9,161.57
  4. Step 4: Simplify right side
    28,887.10x = 396,999,119.71
  5. Step 5: Solve for x
    x = 396,999,119.71/28,887.10
  6. Step 6: Final answer
    x = 13,743.13

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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.