Home / 29,265.45-40,386.03-15,836.42

Finding the Fourth Proportional to 29,265.45, 40,386.03 and 15,836.42

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Solution

The fourth proportional to 29,265.45, 40,386.03 and 15,836.42 is: 21,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.45 : 40,386.03 = 15,836.42 : x
  2. Step 2: Convert to fraction form
    29,265.45/40,386.03 = 15,836.42/x
  3. Step 3: Cross multiply
    29,265.45x = 40,386.03 × 15,836.42
  4. Step 4: Simplify right side
    29,265.45x = 639,569,931.28
  5. Step 5: Solve for x
    x = 639,569,931.28/29,265.45
  6. Step 6: Final answer
    x = 21,854.10

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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.