Home / 29,269.70-40,392.29-15,840.96

Finding the Fourth Proportional to 29,269.70, 40,392.29 and 15,840.96

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Solution

The fourth proportional to 29,269.70, 40,392.29 and 15,840.96 is: 21,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,269.70 : 40,392.29 = 15,840.96 : x
  2. Step 2: Convert to fraction form
    29,269.70/40,392.29 = 15,840.96/x
  3. Step 3: Cross multiply
    29,269.70x = 40,392.29 × 15,840.96
  4. Step 4: Simplify right side
    29,269.70x = 639,852,538.33
  5. Step 5: Solve for x
    x = 639,852,538.33/29,269.70
  6. Step 6: Final answer
    x = 21,860.58

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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.