Home / 15,428.34-23,133.60-13,583.16

Finding the Fourth Proportional to 15,428.34, 23,133.60 and 13,583.16

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Solution

The fourth proportional to 15,428.34, 23,133.60 and 13,583.16 is: 20,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.34 : 23,133.60 = 13,583.16 : x
  2. Step 2: Convert to fraction form
    15,428.34/23,133.60 = 13,583.16/x
  3. Step 3: Cross multiply
    15,428.34x = 23,133.60 × 13,583.16
  4. Step 4: Simplify right side
    15,428.34x = 314,227,390.18
  5. Step 5: Solve for x
    x = 314,227,390.18/15,428.34
  6. Step 6: Final answer
    x = 20,366.90

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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.