Home / 28,663.18-39,553.02-16,085.50

Finding the Fourth Proportional to 28,663.18, 39,553.02 and 16,085.50

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Solution

The fourth proportional to 28,663.18, 39,553.02 and 16,085.50 is: 22,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.18 : 39,553.02 = 16,085.50 : x
  2. Step 2: Convert to fraction form
    28,663.18/39,553.02 = 16,085.50/x
  3. Step 3: Cross multiply
    28,663.18x = 39,553.02 × 16,085.50
  4. Step 4: Simplify right side
    28,663.18x = 636,230,103.21
  5. Step 5: Solve for x
    x = 636,230,103.21/28,663.18
  6. Step 6: Final answer
    x = 22,196.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.