Home / 29,258.81-40,377.16-15,830.06

Finding the Fourth Proportional to 29,258.81, 40,377.16 and 15,830.06

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Solution

The fourth proportional to 29,258.81, 40,377.16 and 15,830.06 is: 21,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,258.81 : 40,377.16 = 15,830.06 : x
  2. Step 2: Convert to fraction form
    29,258.81/40,377.16 = 15,830.06/x
  3. Step 3: Cross multiply
    29,258.81x = 40,377.16 × 15,830.06
  4. Step 4: Simplify right side
    29,258.81x = 639,172,663.54
  5. Step 5: Solve for x
    x = 639,172,663.54/29,258.81
  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.