Home / 19,677.61-29,521.86-8,585.29

Finding the Fourth Proportional to 19,677.61, 29,521.86 and 8,585.29

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Solution

The fourth proportional to 19,677.61, 29,521.86 and 8,585.29 is: 12,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.61 : 29,521.86 = 8,585.29 : x
  2. Step 2: Convert to fraction form
    19,677.61/29,521.86 = 8,585.29/x
  3. Step 3: Cross multiply
    19,677.61x = 29,521.86 × 8,585.29
  4. Step 4: Simplify right side
    19,677.61x = 253,453,729.44
  5. Step 5: Solve for x
    x = 253,453,729.44/19,677.61
  6. Step 6: Final answer
    x = 12,880.31

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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.