Home / 23,686.16-35,531.16-7,890.64

Finding the Fourth Proportional to 23,686.16, 35,531.16 and 7,890.64

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Solution

The fourth proportional to 23,686.16, 35,531.16 and 7,890.64 is: 11,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,686.16 : 35,531.16 = 7,890.64 : x
  2. Step 2: Convert to fraction form
    23,686.16/35,531.16 = 7,890.64/x
  3. Step 3: Cross multiply
    23,686.16x = 35,531.16 × 7,890.64
  4. Step 4: Simplify right side
    23,686.16x = 280,363,592.34
  5. Step 5: Solve for x
    x = 280,363,592.34/23,686.16
  6. Step 6: Final answer
    x = 11,836.60

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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.