Home / 29,258.87-40,377.18-15,830.09

Finding the Fourth Proportional to 29,258.87, 40,377.18 and 15,830.09

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Solution

The fourth proportional to 29,258.87, 40,377.18 and 15,830.09 is: 21,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.87 : 40,377.18 = 15,830.09 : x
  2. Step 2: Convert to fraction form
    29,258.87/40,377.18 = 15,830.09/x
  3. Step 3: Cross multiply
    29,258.87x = 40,377.18 × 15,830.09
  4. Step 4: Simplify right side
    29,258.87x = 639,174,191.46
  5. Step 5: Solve for x
    x = 639,174,191.46/29,258.87
  6. Step 6: Final answer
    x = 21,845.48

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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.