Home / 19,256.65-28,832.82-10,003.21

Finding the Fourth Proportional to 19,256.65, 28,832.82 and 10,003.21

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Solution

The fourth proportional to 19,256.65, 28,832.82 and 10,003.21 is: 14,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.65 : 28,832.82 = 10,003.21 : x
  2. Step 2: Convert to fraction form
    19,256.65/28,832.82 = 10,003.21/x
  3. Step 3: Cross multiply
    19,256.65x = 28,832.82 × 10,003.21
  4. Step 4: Simplify right side
    19,256.65x = 288,420,753.35
  5. Step 5: Solve for x
    x = 288,420,753.35/19,256.65
  6. Step 6: Final answer
    x = 14,977.72

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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.