Home / 15,620.32-23,368.29-13,564.54

Finding the Fourth Proportional to 15,620.32, 23,368.29 and 13,564.54

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Solution

The fourth proportional to 15,620.32, 23,368.29 and 13,564.54 is: 20,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.32 : 23,368.29 = 13,564.54 : x
  2. Step 2: Convert to fraction form
    15,620.32/23,368.29 = 13,564.54/x
  3. Step 3: Cross multiply
    15,620.32x = 23,368.29 × 13,564.54
  4. Step 4: Simplify right side
    15,620.32x = 316,980,104.44
  5. Step 5: Solve for x
    x = 316,980,104.44/15,620.32
  6. Step 6: Final answer
    x = 20,292.80

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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.