Home / 28,568.54-42,836.40-15,225.11

Finding the Fourth Proportional to 28,568.54, 42,836.40 and 15,225.11

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Solution

The fourth proportional to 28,568.54, 42,836.40 and 15,225.11 is: 22,828.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.54 : 42,836.40 = 15,225.11 : x
  2. Step 2: Convert to fraction form
    28,568.54/42,836.40 = 15,225.11/x
  3. Step 3: Cross multiply
    28,568.54x = 42,836.40 × 15,225.11
  4. Step 4: Simplify right side
    28,568.54x = 652,188,848.46
  5. Step 5: Solve for x
    x = 652,188,848.46/28,568.54
  6. Step 6: Final answer
    x = 22,828.92

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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.