Home / 28,663-39,555.21-16,088.02

Finding the Fourth Proportional to 28,663, 39,555.21 and 16,088.02

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Solution

The fourth proportional to 28,663, 39,555.21 and 16,088.02 is: 22,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663 : 39,555.21 = 16,088.02 : x
  2. Step 2: Convert to fraction form
    28,663/39,555.21 = 16,088.02/x
  3. Step 3: Cross multiply
    28,663x = 39,555.21 × 16,088.02
  4. Step 4: Simplify right side
    28,663x = 636,365,009.58
  5. Step 5: Solve for x
    x = 636,365,009.58/28,663
  6. Step 6: Final answer
    x = 22,201.62

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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.