Home / 19,088.26-28,623.12-8,557.85

Finding the Fourth Proportional to 19,088.26, 28,623.12 and 8,557.85

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Solution

The fourth proportional to 19,088.26, 28,623.12 and 8,557.85 is: 12,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,088.26 : 28,623.12 = 8,557.85 : x
  2. Step 2: Convert to fraction form
    19,088.26/28,623.12 = 8,557.85/x
  3. Step 3: Cross multiply
    19,088.26x = 28,623.12 × 8,557.85
  4. Step 4: Simplify right side
    19,088.26x = 244,952,455.10
  5. Step 5: Solve for x
    x = 244,952,455.10/19,088.26
  6. Step 6: Final answer
    x = 12,832.63

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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.