Home / 19,618.72-29,427.80-4,827.76

Finding the Fourth Proportional to 19,618.72, 29,427.80 and 4,827.76

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Solution

The fourth proportional to 19,618.72, 29,427.80 and 4,827.76 is: 7,241.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.72 : 29,427.80 = 4,827.76 : x
  2. Step 2: Convert to fraction form
    19,618.72/29,427.80 = 4,827.76/x
  3. Step 3: Cross multiply
    19,618.72x = 29,427.80 × 4,827.76
  4. Step 4: Simplify right side
    19,618.72x = 142,070,258.02
  5. Step 5: Solve for x
    x = 142,070,258.02/19,618.72
  6. Step 6: Final answer
    x = 7,241.57

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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.