Home / 29,277.40-40,402.84-15,848.62

Finding the Fourth Proportional to 29,277.40, 40,402.84 and 15,848.62

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Solution

The fourth proportional to 29,277.40, 40,402.84 and 15,848.62 is: 21,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,277.40 : 40,402.84 = 15,848.62 : x
  2. Step 2: Convert to fraction form
    29,277.40/40,402.84 = 15,848.62/x
  3. Step 3: Cross multiply
    29,277.40x = 40,402.84 × 15,848.62
  4. Step 4: Simplify right side
    29,277.40x = 640,329,258.08
  5. Step 5: Solve for x
    x = 640,329,258.08/29,277.40
  6. Step 6: Final answer
    x = 21,871.11

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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.