Home / 28,889.19-43,333.65-9,169.29

Finding the Fourth Proportional to 28,889.19, 43,333.65 and 9,169.29

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Solution

The fourth proportional to 28,889.19, 43,333.65 and 9,169.29 is: 13,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889.19 : 43,333.65 = 9,169.29 : x
  2. Step 2: Convert to fraction form
    28,889.19/43,333.65 = 9,169.29/x
  3. Step 3: Cross multiply
    28,889.19x = 43,333.65 × 9,169.29
  4. Step 4: Simplify right side
    28,889.19x = 397,338,803.61
  5. Step 5: Solve for x
    x = 397,338,803.61/28,889.19
  6. Step 6: Final answer
    x = 13,753.89

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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.