Home / 29,927.20-41,316.72-19,869.22

Finding the Fourth Proportional to 29,927.20, 41,316.72 and 19,869.22

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Solution

The fourth proportional to 29,927.20, 41,316.72 and 19,869.22 is: 27,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,927.20 : 41,316.72 = 19,869.22 : x
  2. Step 2: Convert to fraction form
    29,927.20/41,316.72 = 19,869.22/x
  3. Step 3: Cross multiply
    29,927.20x = 41,316.72 × 19,869.22
  4. Step 4: Simplify right side
    29,927.20x = 820,930,999.36
  5. Step 5: Solve for x
    x = 820,930,999.36/29,927.20
  6. Step 6: Final answer
    x = 27,430.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.