Home / 19,033.61-28,557.15-8,502.66

Finding the Fourth Proportional to 19,033.61, 28,557.15 and 8,502.66

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Solution

The fourth proportional to 19,033.61, 28,557.15 and 8,502.66 is: 12,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.61 : 28,557.15 = 8,502.66 : x
  2. Step 2: Convert to fraction form
    19,033.61/28,557.15 = 8,502.66/x
  3. Step 3: Cross multiply
    19,033.61x = 28,557.15 × 8,502.66
  4. Step 4: Simplify right side
    19,033.61x = 242,811,737.02
  5. Step 5: Solve for x
    x = 242,811,737.02/19,033.61
  6. Step 6: Final answer
    x = 12,757.00

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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.