Home / 15,955.80-23,977.62-8,565.72

Finding the Fourth Proportional to 15,955.80, 23,977.62 and 8,565.72

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Solution

The fourth proportional to 15,955.80, 23,977.62 and 8,565.72 is: 12,872.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.80 : 23,977.62 = 8,565.72 : x
  2. Step 2: Convert to fraction form
    15,955.80/23,977.62 = 8,565.72/x
  3. Step 3: Cross multiply
    15,955.80x = 23,977.62 × 8,565.72
  4. Step 4: Simplify right side
    15,955.80x = 205,385,579.19
  5. Step 5: Solve for x
    x = 205,385,579.19/15,955.80
  6. Step 6: Final answer
    x = 12,872.16

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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.