Home / 28,084.14-38,756.12-15,508.88

Finding the Fourth Proportional to 28,084.14, 38,756.12 and 15,508.88

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Solution

The fourth proportional to 28,084.14, 38,756.12 and 15,508.88 is: 21,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084.14 : 38,756.12 = 15,508.88 : x
  2. Step 2: Convert to fraction form
    28,084.14/38,756.12 = 15,508.88/x
  3. Step 3: Cross multiply
    28,084.14x = 38,756.12 × 15,508.88
  4. Step 4: Simplify right side
    28,084.14x = 601,064,014.35
  5. Step 5: Solve for x
    x = 601,064,014.35/28,084.14
  6. Step 6: Final answer
    x = 21,402.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.