Home / 19,042.41-28,569.46-8,521.29

Finding the Fourth Proportional to 19,042.41, 28,569.46 and 8,521.29

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Solution

The fourth proportional to 19,042.41, 28,569.46 and 8,521.29 is: 12,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.41 : 28,569.46 = 8,521.29 : x
  2. Step 2: Convert to fraction form
    19,042.41/28,569.46 = 8,521.29/x
  3. Step 3: Cross multiply
    19,042.41x = 28,569.46 × 8,521.29
  4. Step 4: Simplify right side
    19,042.41x = 243,448,611.20
  5. Step 5: Solve for x
    x = 243,448,611.20/19,042.41
  6. Step 6: Final answer
    x = 12,784.55

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1.5x scale

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.